Fix backup location config not updated (#23965)

src/panels/config/backup/ha-config-backup-settings.ts

@@ -53,6 +53,8 @@ class HaConfigBackupSettings extends LitElement {
   public connectedCallback(): void {
     super.connectedCallback();
     this._scrollToSection();
+    // Update config the page is displayed (e.g. when coming back from a location detail page)
+    this._config = this.config;
   }
 
   private async _scrollToSection() {