Frontend: Only log in session.js if debug is true

Signed-off-by: Michael Mayer <michael@liquidbytes.net>

frontend/src/common/session.js

@@ -192,9 +192,11 @@ export default class Session {
         try {
             Socket.send(JSON.stringify(clientInfo));
         } catch (e) {
+            if(this.config.debug) {
                 console.log("session: can't use websocket, not connected (yet)");
             }
         }
+    }
 
     login(username, password, token) {
         this.deleteId();