feat: Add clear functionality to SRP import error banner

[PatrykLucka]

Description

Adds an option to clear the SRP input and error message, so user can easily paste another SRP.

Related issues

Manual testing steps

1. Go to Import SRP page
2. Paste SRP that has been already imported (you can try to import the same SRP 2nd time)
3. Error message should appear with a "Clear" option

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 [4339c06]

• builds: chrome, firefox
• builds (flask): chrome, firefox
• builds (MMI): chrome
• builds (test): chrome, firefox
• builds (test-flask): chrome, firefox
• build viz: Build System
• mv3: Bundle Size Stats
• mv2: E2e Actions Stats
• storybook: Storybook
• typescript migration: Dashboard
• all 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
  • ui: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12
  • content-script: 0
  • offscreen: 0

Page Load Metrics (1937 ± 79 ms)

Platform	Page	Metric	Min (ms)	Max (ms)	Average (ms)	StandardDeviation (ms)	MarginOfError (ms)
Chrome	Home	firstPaint	449	2415	1864	366	176
		domContentLoaded	1694	2336	1905	160	77
		load	1711	2357	1937	164	79
		domInteractive	28	139	53	29	14
		backgroundConnect	11	79	33	21	10
		firstReactRender	17	93	32	24	11
		getState	6	70	24	22	11
		initialActions	0	1	0	0	0
		loadScripts	1254	1796	1435	141	68
		setupStore	9	71	24	23	11
		uiStartup	1990	2737	2235	209	100

[metamaskbot]

Builds ready [61b6755]

• builds: chrome, firefox
• builds (flask): chrome, firefox
• builds (MMI): chrome
• builds (test): chrome, firefox
• builds (test-flask): chrome, firefox
• build viz: Build System
• mv3: Bundle Size Stats
• mv2: E2e Actions Stats
• storybook: Storybook
• typescript migration: Dashboard
• all 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
  • ui: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12
  • content-script: 0
  • offscreen: 0

Page Load Metrics (1666 ± 107 ms)

Platform	Page	Metric	Min (ms)	Max (ms)	Average (ms)	StandardDeviation (ms)	MarginOfError (ms)
Chrome	Home	firstPaint	514	1995	1511	352	169
		domContentLoaded	1439	2406	1642	224	108
		load	1449	2413	1666	222	107
		domInteractive	24	107	40	22	11
		backgroundConnect	9	63	21	17	8
		firstReactRender	14	70	22	15	7
		getState	4	60	13	16	8
		initialActions	0	1	0	0	0
		loadScripts	1059	1831	1234	182	88
		setupStore	7	50	21	18	9
		uiStartup	1660	2631	1895	237	114

Bundle size diffs

• background: 0 Bytes (0.00%)
• ui: 0 Bytes (0.00%)
• common: 0 Bytes (0.00%)