Prevent unwanted script editor input on game crash

Fixes #6530.

tools/editor/plugins/script_editor_plugin.cpp

@@ -1620,6 +1620,7 @@ void ScriptEditor::apply_scripts() const {
 void ScriptEditor::_editor_play() {
 
 	debugger->start();
+	debug_menu->get_popup()->grab_focus();
 	debug_menu->get_popup()->set_item_disabled( debug_menu->get_popup()->get_item_index(DEBUG_NEXT), true );
 	debug_menu->get_popup()->set_item_disabled( debug_menu->get_popup()->get_item_index(DEBUG_STEP), true );
 	debug_menu->get_popup()->set_item_disabled( debug_menu->get_popup()->get_item_index(DEBUG_BREAK), false );