fix: cp-12.17.0 fix clean up fiat conversion logic

[salimtb]

Description

fiat conversion should be displayed for new created wallet, the native balance should show 0$ as well

Related issues

Fixes: #31920

Manual testing steps

1. Create new Metamask wallet ( import SRP )
2. Go to assets list
3. fiat conversion should be displayed for erc20
4. fiat conversion should be displayed for 0 balance native balance

Screenshots/Recordings

Before

After

Pre-merge author checklist

• I've followed MetaMask Contributor Docs and MetaMask Extension Coding Standards.
• I've completed the PR template to the best of my ability
• I’ve included tests if applicable
• I’ve documented my code using JSDoc format if applicable
• I’ve applied the right labels on the PR (see labeling guidelines). Not required for external contributors.

Pre-merge reviewer checklist

• I've manually tested the PR (e.g. pull and build branch, run the app, test code being changed).
• I confirm that this PR addresses all acceptance criteria described in the ticket it closes and includes the necessary testing evidence such as recordings and or screenshots.

[github-actions]

CLA Signature Action: All authors have signed the CLA. You may need to manually re-run the blocking PR check if it doesn't pass in a few minutes.

[metamaskbot]

Builds ready [c4128b8]

• builds: chrome, firefox
• builds (flask): chrome, firefox
• builds (test): chrome, firefox
• builds (test-flask): chrome, firefox
• build viz: Build System
• bundle size: Bundle Size Stats
• user-actions-benchmark: User Actions Stats
• storybook: Storybook
• typescript migration: Dashboard
• all CircleCI artifacts
• bundle viz:

  • background: 0, 1, 2, 3, 4, 5, 6, 7, 8
  • common: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14
  • ui: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13
  • content-script: 0
  • offscreen: 0

UI Startup Metrics (1207 ± 62 ms)

Platform	BuildType	Page	Metric	Mean (ms)	Min (ms)	Max (ms)	Std Dev (ms)	P 75 (ms)	P 95 (ms)
Chrome	Browserify	Home	uiStartup	1207	1092	1430	62	1241	1329
			load	1052	956	1232	57	1139	986
			domContentLoaded	1046	952	1229	56	1163	988
			domInteractive	17	13	40	6	17	29
			firstPaint	708	74	1195	415	246	965
			backgroundConnect	7	4	33	4	7	8
			firstReactRender	20	16	62	5	20	25
			getState	12	5	35	7	7	9
			initialActions	0	0	1	0	0	1
			loadScripts	807	705	953	55	834	926
			setupStore	7	5	16	2	7	8
	Webpack	Home	uiStartup	2141	1637	2562	189	2276	2469
			load	1652	1298	1938	141	1738	1886
			domContentLoaded	1642	1294	1919	139	1729	1875
			domInteractive	16	11	59	12	13	52
			firstPaint	179	74	512	62	220	350
			backgroundConnect	35	10	340	53	256	55
			firstReactRender	205	54	373	119	57	95
			getState	18	4	255	39	7	9
			initialActions	3	1	7	1	3	5
			loadScripts	1638	1292	1895	138	1726	1864
			setupStore	25	6	300	46	30	8
Firefox	Browserify	Home	uiStartup	1354	1195	1810	111	1410	1600
			load	1212	1047	1668	117	1281	1469
			domContentLoaded	1212	1047	1668	117	1281	1468
			domInteractive	102	38	242	31	88	96
			firstPaint	NaN	NaN	NaN	NaN	NaN	NaN
			backgroundConnect	20	13	67	10	20	39
			firstReactRender	23	19	55	5	23	29
			getState	6	4	16	2	7	8
			initialActions	0	0	1	0	0	1
			loadScripts	1193	1030	1649	118	1263	1451
			setupStore	5	4	7	1	6	7
	Webpack	Home	uiStartup	1505	1316	1948	119	1558	1793
			load	1287	1136	1610	101	1342	1524
			domContentLoaded	1286	1136	1610	101	1342	1524
			domInteractive	82	37	217	28	77	92
			firstPaint	NaN	NaN	NaN	NaN	NaN	NaN
			backgroundConnect	21	14	49	7	22	39
			firstReactRender	36	29	66	6	38	47
			getState	8	5	31	5	8	9
			initialActions	0	0	1	0	1	1
			loadScripts	1268	1122	1591	101	1326	1503
			setupStore	10	5	214	21	7	8

[metamaskbot]

Builds ready [8e3d08c]

• builds: chrome, firefox
• builds (flask): chrome, firefox
• builds (test): chrome, firefox
• builds (test-flask): chrome, firefox
• build viz: Build System
• bundle size: Bundle Size Stats
• user-actions-benchmark: User Actions Stats
• storybook: Storybook
• typescript migration: Dashboard
• all CircleCI artifacts
• bundle viz:

  • background: 0, 1, 2, 3, 4, 5, 6, 7, 8
  • common: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14
  • ui: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13
  • content-script: 0
  • offscreen: 0

UI Startup Metrics (1220 ± 59 ms)

Platform	BuildType	Page	Metric	Mean (ms)	Min (ms)	Max (ms)	Std Dev (ms)	P 75 (ms)	P 95 (ms)
Chrome	Browserify	Home	uiStartup	1220	1089	1406	59	1255	1335
			load	1063	954	1222	55	1118	990
			domContentLoaded	1057	951	1215	55	1123	992
			domInteractive	18	13	70	9	16	31
			firstPaint	734	140	1223	412	230	957
			backgroundConnect	7	4	18	2	7	9
			firstReactRender	22	15	64	7	22	42
			getState	13	5	36	8	7	8
			initialActions	0	0	1	0	0	1
			loadScripts	816	724	978	53	844	941
			setupStore	8	5	20	3	7	8
	Webpack	Home	uiStartup	2192	1796	2620	178	2318	2504
			load	1681	1356	2027	148	1793	1939
			domContentLoaded	1674	1351	2000	146	1785	1935
			domInteractive	16	11	63	11	13	46
			firstPaint	201	72	1602	151	219	72
			backgroundConnect	30	10	374	38	31	64
			firstReactRender	228	57	400	118	57	91
			getState	15	4	248	25	6	9
			initialActions	3	1	9	1	4	6
			loadScripts	1669	1349	1976	144	1783	1912
			setupStore	25	7	238	34	30	8
Firefox	Browserify	Home	uiStartup	1357	1201	1724	115	1425	1616
			load	1209	1047	1529	117	1282	1484
			domContentLoaded	1209	1047	1529	117	1282	1484
			domInteractive	108	40	189	32	86	96
			firstPaint	NaN	NaN	NaN	NaN	NaN	NaN
			backgroundConnect	22	14	92	12	23	40
			firstReactRender	23	19	32	3	23	28
			getState	8	4	30	4	7	8
			initialActions	0	0	1	0	0	1
			loadScripts	1189	1031	1508	116	1264	1465
			setupStore	5	4	12	1	6	7
	Webpack	Home	uiStartup	1556	1370	2071	144	1640	1882
			load	1326	1163	1830	131	1404	1594
			domContentLoaded	1325	1162	1829	131	1404	1593
			domInteractive	80	41	229	28	71	86
			firstPaint	NaN	NaN	NaN	NaN	NaN	NaN
			backgroundConnect	25	15	93	13	25	50
			firstReactRender	37	29	64	6	40	49
			getState	9	5	33	4	8	9
			initialActions	0	0	2	1	1	1
			loadScripts	1303	1146	1806	129	1388	1573
			setupStore	10	6	37	6	8	9