Settings editor search quality epic

[rzhao271]

The Settings editor search experience is currently lacking for the following reasons:

• Results are often sorted in an unclear order, ref Sorting in settings editor seems random #221535
• Typos or inexact strings are not identified
  • "stickyscrolle" does not reveal terminal.integrated.stickyScroll.enabled Settings editor sometimes filters out settings it should not #203838
  • "interactiveEdizor" does not find interactive editor settings [Feature] Showing results which are similar to search word in settings #184518
• Some substrings are not identified
  • inlinechat exper does not find inlineChat.experimental.enableZoneToolbar Setting UI doesn't find setting #226039
• There is limited to no support for synonyms or related terms
  • "automatically fetch my changes" does not find git.autofetch TF-IDF in Settings editor search - "automatically fetch my changes" #196379
  • "larger text in the editor" does not suggest font size or zoom settings
  • "search box in title bar" does not find command center settings Command center is hard to find without name #194240
  • "do you trust dialog" does not find settings like "do you trust prompt" does Synonyms dialog/prompt need some love #194238
  • "password" does not find settings related to authentication Add settings search synonym - password/authentication #99271
  • "hint" and "info" do not find the editor.hover.enabled setting "editor.hover.enabled" not showing up when searching "hint" or "info" in settings #56902
  • "intellisense" and "completions" do not find the quick suggestion setting searching for "IntelliSense" or "completions" doesn't provide expected result #42692
• Irrelevant results show up
  • Searching accessibility.voice.keywordActivation brings up unrelated results Searching accessibility.voice.keywordActivation setting shows something else #204312