Test: Search in Open Editors

[JacksonKearl]

Refs: #106790

• Mac @digitarald
• Linux @joaomoreno
• Windows @gregvanl

Complexity: 3

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Background

Added support for searching in all open editors. This is potentially a precursor to searching in a variety of extension-contributed file sets, but for now the only exposure is for open editors.

Testing

• Ensure "search.experimental.searchInOpenEditors": true (default in insiders)
• Open some editors
  • In a single folder workspace
  • Multiroot workspace
  • Freestanding files in empty workspaces (or normal workspaces)
  • Configuration files (settings.json, etc.)
• Search for entries in those files. Try out both searches for contents on disk, and searches for contents only in local changes
• Test out the includes/excludes fields, they should filter down the existing editors.
• Reload
• Search again, entries should still show up.