fix: fix snaps permission flow ui

[ffmcgee725]

Issue described here

This commit fixes the snaps permission flow UI bug detected after #29824

Screenshots after fix:

Description

Related issues

Fixes: #30087

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.

[ffmcgee725]

we are now pulling the flag directly from the request object provided by calling approvalController.addAndShowApprovalRequest for wallet_switchEthereumChain legacy request.

For all other flows, UI should remain untouched now with no unpredictable behaviour 👍🏾

[metamaskbot]

Builds ready [43fbe34]

• 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
  • content-script: 0
  • offscreen: 0

Page Load Metrics (1576 ± 75 ms)

Platform	Page	Metric	Min (ms)	Max (ms)	Average (ms)	StandardDeviation (ms)	MarginOfError (ms)
Chrome	Home	firstPaint	288	2172	1515	321	154
		domContentLoaded	1420	2160	1559	155	74
		load	1430	2174	1576	156	75
		domInteractive	22	90	40	22	10
		backgroundConnect	6	52	17	11	5
		firstReactRender	15	96	45	27	13
		getState	4	49	11	12	6
		initialActions	0	48	2	10	5
		loadScripts	998	1645	1138	128	62
		setupStore	6	59	11	11	5
		uiStartup	1603	2382	1797	186	89

Bundle size diffs

• background: 0 Bytes (0.00%)
• ui: 76 Bytes (0.00%)
• common: 0 Bytes (0.00%)

[adonesky1]

LGTM!