Wallet add account and add asset popups should dismiss if Esc is pressed

[bbondy]

If you press escape after one those poups happen nothing happens.
Instead they should dismiss.
cc @muliswilliam

[muliswilliam]

@bbondy I will pick this up.

[bbondy]

Thank you!

[stephendonner]

Verified PASSED using

Brave	1.35.69 Chromium: 97.0.4692.56 (Official Build) dev (x86_64)
Revision	04da6c66398ca50e603cc236a07dc7dfd3bbc750-refs/branch-heads/4692@{#990}
OS	macOS Version 11.6.1 (Build 20G224)

Confirmed using esc closes dialogs/popups, as seen below:

[srirambv]

Verification passed on

Brave	1.35.82 Chromium: 97.0.4692.71 (Official Build) beta (64-bit)
Revision	adefa7837d02a07a604c1e6eff0b3a09422ab88d-refs/branch-heads/4692@{#1247}
OS	Windows 11 Version Dev (Build 22523.1000)

• Verified steps from brave/brave-core#11646
• Verified Add wallet modal is dismissed when Esc is pressed
• Verified Add wallet modal on Import and Hardware Wallet tabs can also be closed via Esc
• Verified Visible assets modal can be closed via Esc button
• Verified Visible assets modal with Add custom token view can also be closed via Esc button

---

Verification passed on

Brave	1.35.82 Chromium: 97.0.4692.71 (Official Build) beta (64-bit)
Revision	adefa7837d02a07a604c1e6eff0b3a09422ab88d-refs/branch-heads/4692@{#1247}
OS	Linux

• Verified steps from brave/brave-core#11646
• Verified Add wallet modal is dismissed when Esc is pressed
• Verified Add wallet modal on Import and Hardware Wallet tabs can also be closed via Esc
• Verified Visible assets modal can be closed via Esc button
• Verified Visible assets modal with Add custom token view can also be closed via Esc button