* refactor menu theming to be cleaner and remove css colors

* add separator color back

* remove dynamic css, inline styles only

* remove bg color

Fix #58634. Drag and drop event is emitted only when clicking on real selections. A better fix for #58117.

Fixes #58781

Fixes #58560

If the queued (but not sent) ts server request is canceled, we could previously fail to resolve its callbacks. This change makes sure we always resolve the callbacks for cancelled requests

- Update placeholders and aria labels

Update C# grammar

Keeping find input value unchanged on replace if find input is active, fixes #41027

Added find options checkboxes to terminal find widget with keybindings and hooked the buttons up to use the new xterm.js find api.

Fixes #58826 

Update language-configuration.json

ITokenizationRegistry to support TokenizationSupport promises