Cancels page retry loop with negative intervals. (#22983)

* Cancels page retry loop with negative intervals.
This shouldn't be required, but sometimes, which I can't easily reproduce, it fails to reload.
Fixes #20052

* Clear interval before reload.

src/layouts/ha-init-page.ts

@@ -82,6 +82,9 @@ class HaInitPage extends LitElement {
   }
 
   private _retry() {
+    if (this._retryInterval) {
+      clearInterval(this._retryInterval);
+    }
     location.reload();
   }