fix(web): realtime connection check on authentication

Author: TorstenDittmann

templates/web/src/sdk.ts.twig

@@ -170,7 +170,7 @@ class {{ spec.title | caseUcfirst }} {
         },
         authenticate: (event) => {
             const message: RealtimeResponse = JSON.parse(event.data);
-            if (message.type === 'connected') {
+            if (message.type === 'connected' && this.realtime.socket?.readyState === WebSocket.OPEN) {
                 const cookie = JSON.parse(window.localStorage.getItem('cookieFallback') ?? "{}");
                 const session = cookie?.[`a_session_${this.config.project}`];
                 const data = <RealtimeResponseConnected>message.data;
@@ -432,4 +432,4 @@ class {{ spec.title | caseUcfirst }} {
 };
 
 export { {{spec.title | caseUcfirst}} }
-export type { {{spec.title | caseUcfirst}}Exception }
+export type { {{spec.title | caseUcfirst}}Exception }