fix(core): emulator build with PYOPT=1

[mmilata]

see also #5093

[github-actions]

core UI changes	device test	click test	persistence test
T2T1 Model T	test(screens) main(screens)	test(screens) main(screens)	test(screens) main(screens)
T3B1 Safe 3	test(screens) main(screens)	test(screens) main(screens)	test(screens) main(screens)
T3T1 Safe 5	test(screens) main(screens)	test(screens) main(screens)	test(screens) main(screens)
T3W1	test(screens) main(screens)	test(screens) main(screens)	test(screens) main(screens)
All	main(screens)

[romanz]

Thanks!

[romanz]

nit: maybe we can add a CI job to build PYOPT=1 emulator during nightly runs?

For example, something like:

diff --git a/.github/workflows/core.yml b/.github/workflows/core.yml
index a1accb4898..2f0ae06cd9 100644
--- a/.github/workflows/core.yml
+++ b/.github/workflows/core.yml
@@ -115,7 +115,7 @@ jobs:
         model: [T2T1, T3B1, T3T1, T3W1]
         coins: [universal, btconly]
         # type: [normal, debuglink]
-        type: [debuglink]
+        type: ${{ fromJSON(github.event_name == 'schedule' && '["normal", "debuglink"]' || '["debuglink"]') }}
         asan: ${{ fromJSON(needs.param.outputs.asan) }}
         exclude:
           - type: normal