vscode: copy, paste, redo and undo through command palate (talonhub#1677

)

Makes these actions more reliable than the default of sending
keypresses, especially if the user has rebound those keys or is in a
different editor mode (eg with vim extension)

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Jeff Knaus <knaus.jeff@gmail.com>
Co-authored-by: Nicholas Riley <com-github@sabi.net>

apps/vscode/vscode.py

@@ -96,6 +96,18 @@ def toggle_comment():
 
 @ctx.action_class("edit")
 class EditActions:
+    def undo():
+        actions.user.vscode("undo")
+
+    def redo():
+        actions.user.vscode("redo")
+
+    def copy():
+        actions.user.vscode("editor.action.clipboardCopyAction")
+
+    def paste():
+        actions.user.vscode("editor.action.clipboardPasteAction")
+
     # talon edit actions
     def indent_more():
         actions.user.vscode("editor.action.indentLines")