Set ime_active to false when the IME stops

Author: Rindbee

platform/linuxbsd/x11/display_server_x11.cpp

@@ -4517,6 +4517,7 @@ void DisplayServerX11::_xim_destroy_callback(::XIM im, ::XPointer client_data,
 
 	for (KeyValue<DisplayServerEnums::WindowID, WindowData> &E : ds->windows) {
 		E.value.xic = nullptr;
+		E.value.ime_active = false;
 	}
 }