cherry-pick: default network selection logic in connection flow (#30139)

[adonesky1]

Fixes a small gap left by this
fix

BEFORE:

Screen.Recording.2025-02-05.at.10.48.27.AM.mov

AFTER:

Screen.Recording.2025-02-05.at.10.52.19.AM.mov

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 [8f638b3]

• 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 (1803 ± 116 ms)

Platform	Page	Metric	Min (ms)	Max (ms)	Average (ms)	StandardDeviation (ms)	MarginOfError (ms)
Chrome	Home	firstPaint	293	2664	1733	414	199
		domContentLoaded	1413	2610	1781	244	117
		load	1422	2619	1803	242	116
		domInteractive	22	98	37	19	9
		backgroundConnect	8	67	27	18	9
		firstReactRender	16	97	45	28	13
		getState	4	53	19	19	9
		initialActions	0	1	0	0	0
		loadScripts	988	2186	1319	241	116
		setupStore	8	57	17	16	8
		uiStartup	1643	2918	2091	277	133