Rename missing shortcut names in visual script editor

With the change of the shortcuts for common actions like delete, copy
and paste the delete menu items in the visual script editor for members
where missing because of a missing shortcut.

modules/visual_script/visual_script_editor.cpp

@@ -1853,7 +1853,7 @@ void VisualScriptEditor::_members_gui_input(const Ref<InputEvent> &p_event) {
 				}
 				member_name = ti->get_text(0);
 			}
-			if (ED_IS_SHORTCUT("visual_script_editor/delete_selected", p_event)) {
+			if (ED_IS_SHORTCUT("ui_graph_delete", p_event)) {
 				_member_option(MEMBER_REMOVE);
 			}
 			if (ED_IS_SHORTCUT("visual_script_editor/edit_member", p_event)) {
@@ -4121,7 +4121,7 @@ void VisualScriptEditor::_member_rmb_selected(const Vector2 &p_pos) {
 		member_name = ti->get_text(0);
 		member_popup->add_icon_shortcut(edit_icon, ED_GET_SHORTCUT("visual_script_editor/edit_member"), MEMBER_EDIT);
 		member_popup->add_separator();
-		member_popup->add_icon_shortcut(del_icon, ED_GET_SHORTCUT("visual_script_editor/delete_selected"), MEMBER_REMOVE);
+		member_popup->add_icon_shortcut(del_icon, ED_GET_SHORTCUT("ui_graph_delete"), MEMBER_REMOVE);
 		member_popup->popup();
 		return;
 	}
@@ -4131,7 +4131,7 @@ void VisualScriptEditor::_member_rmb_selected(const Vector2 &p_pos) {
 		member_name = ti->get_text(0);
 		member_popup->add_icon_shortcut(edit_icon, ED_GET_SHORTCUT("visual_script_editor/edit_member"), MEMBER_EDIT);
 		member_popup->add_separator();
-		member_popup->add_icon_shortcut(del_icon, ED_GET_SHORTCUT("visual_script_editor/delete_selected"), MEMBER_REMOVE);
+		member_popup->add_icon_shortcut(del_icon, ED_GET_SHORTCUT("ui_graph_delete"), MEMBER_REMOVE);
 		member_popup->popup();
 		return;
 	}
@@ -4141,7 +4141,7 @@ void VisualScriptEditor::_member_rmb_selected(const Vector2 &p_pos) {
 		member_name = ti->get_text(0);
 		member_popup->add_icon_shortcut(edit_icon, ED_GET_SHORTCUT("visual_script_editor/edit_member"), MEMBER_EDIT);
 		member_popup->add_separator();
-		member_popup->add_icon_shortcut(del_icon, ED_GET_SHORTCUT("visual_script_editor/delete_selected"), MEMBER_REMOVE);
+		member_popup->add_icon_shortcut(del_icon, ED_GET_SHORTCUT("ui_graph_delete"), MEMBER_REMOVE);
 		member_popup->popup();
 		return;
 	}