Fixes issue 14400: Pasting controls via CommandSet.OnMenuPaste stopped working when hosting the WinForms designer#14403

LeafShi1 wants to merge 1 commit intodotnet:maindotnet/winforms:mainfrom

LeafShi1:Fix_14400_restore_dragClient_CommandSet.OnMenuPasteLeafShi1/winforms:Fix_14400_restore_dragClient_CommandSet.OnMenuPasteCopy head branch name to clipboard