chore: Expose extension ID to E2E tests

[Gudahtt]

Description

The E2E test setup function (withFixtures) has been updated to pass the extension ID to E2E tests. This will be useful in the near future for testing the new multichain API, which is exposed over externally_connectable and requires the extension ID to use.

Related issues

This was extracted from #27782

Manual testing steps

N/A, this isn't used yet so there is nothing to manually test.

Screenshots/Recordings

N/A

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.

[metamaskbot]

Builds ready [2c6e608]

• 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 (1512 ± 66 ms)

Platform	Page	Metric	Min (ms)	Max (ms)	Average (ms)	StandardDeviation (ms)	MarginOfError (ms)
Chrome	Home	firstPaint	1360	1964	1515	144	69
		domContentLoaded	1335	1883	1489	132	64
		load	1353	1907	1512	137	66
		domInteractive	21	133	41	28	14
		backgroundConnect	8	55	24	16	8
		firstReactRender	14	75	35	24	12
		getState	4	63	14	19	9
		initialActions	0	0	0	0	0
		loadScripts	953	1453	1084	117	56
		setupStore	7	60	13	14	7
		uiStartup	1509	2122	1715	157	75

Bundle size diffs

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

[seaona]

LGTM

[mcmire]

LGTM.