fix: design related fixes in confirmation pages

[jpuri]

Description

Small design related fixes in re-designed confirmation pages

Related issues

Fixes: https://github.com/MetaMask/MetaMask-planning/issues/3478

Manual testing steps

1. Go to test dapp
2. Submit transaction pages and check design fixes

Screenshots/Recordings

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 [b660655]

• 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, 13, 2, 3, 4, 5, 6, 7, 8, 9

Page Load Metrics (1690 ± 46 ms)

Platform	Page	Metric	Min (ms)	Max (ms)	Average (ms)	StandardDeviation (ms)	MarginOfError (ms)
Chrome	Home	firstPaint	1432	1893	1688	103	49
		domContentLoaded	1424	1839	1661	102	49
		load	1488	1859	1690	95	46
		domInteractive	23	73	43	18	9
		backgroundConnect	8	63	26	16	8
		firstReactRender	16	103	36	27	13
		getState	5	76	18	20	9
		initialActions	0	1	0	0	0
		loadScripts	1007	1399	1244	92	44
		setupStore	6	67	16	19	9
		uiStartup	1623	2499	1982	186	89

Bundle size diffs

• background: 0 Bytes (0.00%)
• ui: 1 Bytes (0.00%)
• common: 0 Bytes (0.00%)