languages: refactor

- No full restart requirement just reload
- Fix some systems not loading the language
- Fix RTL not applied if the lang was not set by the system

ks_includes/KlippyWebsocket.py

@@ -64,8 +64,6 @@ class KlippyWebsocket(threading.Thread):
         self.connect()
 
     def connect(self):
-        _ = self._screen.lang.gettext
-
         def ws_on_close(ws, a=None, b=None):
             self.on_close(ws)