Table Designer: Move columns UI (#19154)

* format

* added buttons and initial drag plugin

* initial drag and drop working

* add actions and taskbar

* drag and drop bugfix and other changes

* fix few issues

* more changes

* fix all move and insertion issues

* PRcomments

* fit and finish comments

* remove dead code

* bump sts

* add style for object being dragged

* add plugin to copyright filter

* Add to eslintrc

* fix drag contrast ratio

* generalize logic for cell focus

* demo feedback

* feedback

* add action state

* feedback

* remove unncecessary check

* add move actions to context menu

* change to const

* fix bug with tables and fix drop color

Co-authored-by: chgagnon <chgagnon@microsoft.com>

src/sql/workbench/api/common/sqlExtHostTypes.ts

@@ -1022,7 +1022,8 @@ export namespace designers {
 	export enum DesignerEditType {
 		Add = 0,
 		Remove = 1,
-		Update = 2
+		Update = 2,
+		Move = 3
 	}
 
 	export enum TableIcon {