chore: unify schemes and test plans - WPB-11406

[caldrian]

WPB-11406 Refactor CI tests workflow

Issue

As a preparation for PR #1707 this PR

• All projects get an "AllTests" tesplan
• TestPlans can now be reached in the Project Navigator
• Unused schemes are deleted
• Some Schemes were recreated, removing legacy content like skipped tests, run arguments etc.
• Added IDEWorkspaceSharedSettings_AutocreateContextsIfNeeded to the workspace configuration

Testing

Automatic tests should pass.

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Checklist

• Title contains a reference JIRA issue number like [WPB-XXX].
• Description is filled and free of optional paragraphs.
• Adds/updates automated tests.

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UI accessibility checklist

If your PR includes UI changes, please utilize this checklist:

• Make sure you use the API for UI elements that support large fonts.
• All colors are taken from WireDesign.ColorTheme or constructed using WireDesign.BaseColorPalette.
• New UI elements have Accessibility strings for VoiceOver.

[github-actions]

Test Results

   21 files  1 055 suites   14m 23s ⏱️
8 400 tests 8 400 ✅ 0 💤 0 ❌
8 418 runs  8 418 ✅ 0 💤 0 ❌

Results for commit c62186a.

♻️ This comment has been updated with latest results.

[samwyndham]

Hey @caldrian. Two questions:

1. Could you give a bit more information in the description about what will specifically be different once this PR merged. Just because there is a lot of changes.
2. Just to check should this PR definitely be targeting release brach and not develop.