Ignore error if we are not connected (#8472)

hassio/src/dashboard/hassio-update.ts

@@ -159,7 +159,11 @@ export class HassioUpdate extends LitElement {
     } catch (err) {
       // Only show an error if the status code was not expected (user behind proxy)
       // or no status at all(connection terminated)
-      if (err.status_code && !ignoredStatusCodes.has(err.status_code)) {
+      if (
+        this.hass.connection.connected &&
+        err.status_code &&
+        !ignoredStatusCodes.has(err.status_code)
+      ) {
         showAlertDialog(this, {
           title: "Update failed",
           text: extractApiErrorMessage(err),

hassio/src/dialogs/core/dialog-supervisor-core-update.ts

@@ -130,10 +130,12 @@ class DialogSupervisorCoreUpdate extends LitElement {
     try {
       await updateCore(this.hass);
     } catch (err) {
+      if (this.hass.connection.connected) {
         this._error = extractApiErrorMessage(err);
         this._action = null;
         return;
       }
+    }
     fireEvent(this, "supervisor-colllection-refresh", { colllection: "core" });
     this.closeDialog();
   }

hassio/src/system/hassio-core-info.ts

@@ -140,10 +140,12 @@ class HassioCoreInfo extends LitElement {
     try {
       await restartCore(this.hass);
     } catch (err) {
+      if (this.hass.connection.connected) {
         showAlertDialog(this, {
           title: "Failed to restart Home Assistant Core",
           text: extractApiErrorMessage(err),
         });
+      }
     } finally {
       button.progress = false;
     }

hassio/src/system/hassio-host-info.ts

@@ -342,11 +342,13 @@ class HassioHostInfo extends LitElement {
       await updateOS(this.hass);
       fireEvent(this, "supervisor-colllection-refresh", { colllection: "os" });
     } catch (err) {
+      if (this.hass.connection.connected) {
         showAlertDialog(this, {
           title: "Failed to update",
           text: extractApiErrorMessage(err),
         });
       }
+    }
     button.progress = false;
   }