* Use forked @codemirror/search
* Use getPanel to get the search panel
* Remove layer-based highlightSelectionMatches
* Add "within selection" option to the search form
* Add test for "replace all within selection"
* Fix tests
GitOrigin-RevId: 95ce76fd017f96278b04c16a1fd34f785f7504a3
* Update Copybara options in preparation for open-sourcing the source editor
* Move files
* Update paths
* Remove source-editor module and checks for its existence
* Explicitly mention CM6 license in files that contain code adapted from CM6
GitOrigin-RevId: 89b7cc2b409db01ad103198ccbd1b126ab56349b