fix: centering on Snap radio buttons

[hmalik88]

Description

Write a short description of the changes included in this pull request, also include relevant motivation and context. Have in mind the following questions:

1. What is the reason for the change? Radio buttons were not aligned with their labels in the snap component.
2. What is the improvement/solution? Strip radio button of margin.

Related issues

Fixes: #29725

Manual testing steps

1. Build this branch
2. Go to https://metamask.github.io/snaps/test-snaps/2.18.0/
3. Trigger the custom ui interactive snap dialog
4. Observe the changes below.

Screenshots/Recordings

Before

See issue

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 [eb5617a]

• 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
  • 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, 13
  • content-script: 0
  • offscreen: 0

Page Load Metrics (1674 ± 97 ms)

Platform	Page	Metric	Min (ms)	Max (ms)	Average (ms)	StandardDeviation (ms)	MarginOfError (ms)
Chrome	Home	firstPaint	1437	2196	1676	198	95
		domContentLoaded	1430	2137	1650	192	92
		load	1438	2204	1674	202	97
		domInteractive	24	84	44	19	9
		backgroundConnect	5	69	20	18	9
		firstReactRender	16	95	43	27	13
		getState	4	72	22	22	10
		initialActions	0	1	0	0	0
		loadScripts	977	1604	1205	171	82
		setupStore	6	10	7	1	1
		uiStartup	1648	2396	1908	218	104

Bundle size diffs

• background: 0 Bytes (0.00%)
• ui: 19 Bytes (0.00%)
• common: 0 Bytes (0.00%)