fix: Don't show third party notice for preinstalled Snaps

[Mrtenz]

This cherry-picks commit 5cc14af into release 12.3.0.

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 [b030733]

• 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, 2, 3, 4, 5, 6, 7, 8, 9
  • content-script: 0
  • offscreen: 0
  • ui: 0, 1, 10, 11, 2, 3, 4, 5, 6, 7, 8, 9

Page Load Metrics (1809 ± 112 ms)

Platform	Page	Metric	Min (ms)	Max (ms)	Average (ms)	StandardDeviation (ms)	MarginOfError (ms)
Chrome	Home	firstPaint	319	2456	1685	480	230
		domContentLoaded	1553	2232	1772	185	89
		load	1564	2537	1809	233	112
		domInteractive	22	72	36	14	7

[codecov]

Codecov Report

Attention: Patch coverage is 16.66667% with 5 lines in your changes missing coverage. Please review.

Project coverage is 70.13%. Comparing base (439f7d6) to head (b030733).
Report is 21 commits behind head on Version-v12.3.0.

Files with missing lines	Patch %	Lines
ui/selectors/selectors.js	16.67%	5 Missing ⚠️

Additional details and impacted files

@@                 Coverage Diff                 @@
##           Version-v12.3.0   #27365      +/-   ##
===================================================
- Coverage            70.24%   70.13%   -0.11%     
===================================================
  Files                 1426     1432       +6     
  Lines                50239    50441     +202     
  Branches             13954    13993      +39     
===================================================
+ Hits                 35289    35375      +86     
- Misses               14950    15066     +116     

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[metamaskbot]

No release label on PR. Adding release label release-12.3.0 on PR, as PR was added to branch 12.3.0 when release was cut.