Test Extensions UX for incompatible/deprecated extensions

[sandy081]

Refs: #227047

• anyOS @anthonykim1
• anyOS @benibenj

Complexity: 4

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We now show a warning badge on extensions viewlet and warning in the view if you have deprecated or incompatible or invalid extensions installed. Please test if you can see this UX and works as expected

Deprecated Extensions

• Install a deprecated extension from CLI say code-insiders install-extension jcbuisson.vue
• Verify the warning on Extensions view.

Incompatible Extensions

• Install latest copilot chat extension
• Downgrade your VS Code Insider to https://builds.code.visualstudio.com/builds/insider?commit=527e41ff551bb1001d2f224c2dec2e2ea3b66832
• Open VS Code Insider and verify the warning on Extensions view

Invalid Extensions

• Open package.json of any installed extension (F1 > Extensions: Open Extension Folder) and remove engines property
• Reload window and verify the warning on Extensions view