Added keybindings for terminal find next and find previous and updated regex, whole word, and case sensitive keybindings to match the way next and previous work. Fixes #29661

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 

Updated find focus tracker for terminal. Fixes #29670

* add option for input validation foreground color for findWidget

* fix copy paste mistakes

* removing defaults for foreground color

* add inputValidationForeground wherever inputValidationBackground is used

* add inputValidationForeground color

Fixes #29670

#50556

- Ability to register a context scoped history navigation widget
- context to enable / disable history navigation

- Implement Context scoped history input widget
- Adopt to context scoped history input widget

Adding animation to the find widget regressed this by adding overflow:hidden
to the terminal panel. The solution was to wrap the find widget in another
element and apply overflow:hidden to that.

Revert "Use simpleFind.xyz for simpleFind command IDS"

This reverts commit 9066eedc.

Revert "Review cleanup"

This reverts commit c0a21800.

Revert "SimpleFindWidget Re-Factor next,previous,history, single global commands Cleanup1"

This reverts commit 1a26638f.

Revert "Working SimpleFind Service, isolation - pre- cleanup"

This reverts commit bd8f5ebb.

Revert "Reveal Find on find n/p, add delayed update history"

This reverts commit c586e523.

Revert "Hide input focus tracker, cleanup"

This reverts commit 27f45235.

Revert "simpleFind Add next,previous,history fix"

This reverts commit b69d45bb.

* Seed terminal find widget with current selection

Fixes #29712

Use the current selection as the search when we first show the find widget for the terminal

* Making requested changes

* Shrink terminal find widget

Shrink the terminal find widget to fit within the max terminal size

* Added padding

* Match current size

* Refactored terminalFindWidget into a SimpleFindWidget and used that to provide find for webviews

* Refactored Webvieweditor into an abstract base and a concrete class to respect 'part' separation

* Cleaned up css and images that I forgot to delete

* Reset i18n.js file

* bind this when passing onThemeChange to themeService.onThemeChange

* Add 'CloseWebViewEditorFind' command to close find when pressing escape

* Ctrl+f now selects text in all SimpleFindWidgets even when buttons are focused. Aligns with full find widget

* Fixed issues when reactivating find

* Register webviewEditor with workbench

* Remove find widget when disposing webview

* Fixed webviewEditor casing in releaseNotesEditor (windows is case insensitive). Removed registration from workbench to see if it was necessary at all. If it fails again, I'll add it back

Fixes #29653

Fixes #28770