Commands can get exeucted from a command pallete, from a context menu or from some list using a keybinding
To cover all these cases we need to properly compute the resource on which the command is being executed

fixes #41263
fixes #41314

- Do not create a channel if not registered

fixes #39090
related to #37430

Fix up text search gitignore - respect 'useIgnoreFiles' setting, enable by default, remove '...ByDefault' setting. Fix #32035

Fix #31496 - add new actions, "Find in Files With Selected Text" which are bound to editorFocus, to prevent the search viewlet from ever taking the editor text unless the editor is focused

* debt - syncdescriptors for composite

* debt - syncdescriptor for baseeditor

* debt - syncdescriptor for quickopenhandler

* debt - remove asyncdescriptor

* debt - introduce editor.ts in browser namespace

* fix todos