Fixes #55488

Settings editor - add simple ellipsis for first line that overflows, doesn't cover case when first line does not overflow but there is more text, TODO

* Place cursor at end of extensions search box on autofill

* Use position instead of selection

* Disable snippits in extension search (when not in suggest dropdown)

* Add monaco input contributions

* Fix bug preventing snippetSuggestions from taking effect in sub-editors

Improve word part move and delete for capitalized snake case

Prefer const enum over const object in intervalTree.ts

fixes #53256