fix: uncaptured mouse in FPS

refers to: #147

addons/panku_console/modules/interactive_shell/module.gd

@@ -45,16 +45,25 @@ func init_module():
 		func():
 			if gui_mode == InputMode.Window:
 				if window.visible:
-					Input.mouse_mode = _previous_mouse_mode
 					window.hide_window()
 				else:
-					_previous_mouse_mode = Input.mouse_mode
-					Input.mouse_mode = Input.MOUSE_MODE_VISIBLE
 					window.show_window()
 			elif gui_mode == InputMode.Launcher:
 				simple_launcher.visible = not simple_launcher.visible
 	)
 
+	# Grab the mouse when the dev console is visible (e.g. FPS games)
+	window.visibility_changed.connect(
+		func():
+			# the mouse is grabbed when the window is visible
+			if window.visible:
+				_previous_mouse_mode = Input.mouse_mode
+				Input.mouse_mode = Input.MOUSE_MODE_VISIBLE
+			# restore the mouse mode when the window is hidden
+			else:
+				Input.mouse_mode = _previous_mouse_mode
+	)
+
 	gui_mode = load_module_data("gui_mode", InputMode.Window)
 	pause_if_input = load_module_data("pause_if_popup", true)
 	unified_window_visibility = load_module_data("unified_visibility", false)