chore: remove second inner scroll bar from tx details (#29412)

[infiniteflower]

This PR cherry picks dabf173 into 12.10.0 RC

This PR removes the 2nd inner scrollbar from Bridge tx details.

Fixes:

1. Do a bridge tx
2. Get navigated to Activity list
3. Click on a bridge tx
4. Observe only 1 scroll bar

• 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.

• 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.

Description

Related issues

Fixes:

Manual testing steps

1. Go to this page...

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 [300cb13]

• builds: chrome, firefox
• builds (beta): chrome
• builds (flask): chrome, firefox
• builds (MMI): chrome, firefox
• builds (test): chrome, firefox
• builds (test-flask): chrome, firefox
• build viz: Build System
• mv3: Background Module Init Stats
• mv3: UI Init Stats
• mv3: Module Load Stats
• mv3: Bundle Size Stats
• mv2: E2e Actions Stats
• code coverage: Report
• storybook: Storybook
• typescript migration: Dashboard
• all artifacts
• bundle viz:

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

Page Load Metrics (1799 ± 53 ms)

Platform	Page	Metric	Min (ms)	Max (ms)	Average (ms)	StandardDeviation (ms)	MarginOfError (ms)
Chrome	Home	firstPaint	1611	1997	1800	113	54
		domContentLoaded	1585	1976	1767	114	55
		load	1618	2002	1799	111	53
		domInteractive	25	110	48	23	11
		backgroundConnect	12	60	35	15	7
		firstReactRender	16	87	33	23	11
		getState	4	81	21	22	11
		initialActions	0	1	0	0	0
		loadScripts	1138	1514	1320	92	44
		setupStore	7	63	18	19	9
		uiStartup	1803	2649	2079	205	99

Bundle size diffs [🚨 Warning! Bundle size has increased!]

• background: 2.04 KiB (0.04%)
• ui: -943 Bytes (-0.01%)
• common: 646 Bytes (0.01%)