Skip live subscriptions after the card disconnects

custom_components/nestquest/www/nestquest-cards.js

@@ -1137,7 +1137,7 @@ class Ee extends A {
     return !t || typeof t != "object" || typeof t.subscribeEvents != "function" ? null : t;
   }
   _subscribeLive() {
-    if (this._subscribed)
+    if (!this.isConnected || this._subscribed)
       return;
     const t = this._hassConnection();
     if (!t)
@@ -2724,7 +2724,7 @@ class pn extends A {
     return !t || typeof t != "object" || typeof t.subscribeEvents != "function" ? null : t;
   }
   _subscribeLive() {
-    if (this._subscribed)
+    if (!this.isConnected || this._subscribed)
       return;
     const t = this._hassConnection();
     if (!t)

frontend/src/cards/party-board.ts

@@ -755,6 +755,9 @@ export class NestQuestPartyBoardCard extends LitElement {
   }
 
   private _subscribeLive(): void {
+    if (!this.isConnected) {
+      return;
+    }
     if (this._subscribed) {
       return;
     }

frontend/src/cards/quest-log.ts

@@ -1401,6 +1401,9 @@ export class NestQuestQuestLogCard extends LitElement {
   }
 
   private _subscribeLive(): void {
+    if (!this.isConnected) {
+      return;
+    }
     if (this._subscribed) {
       return;
     }