AppManager: monitor installed HelmRelease resources

Change-Id: Ia036e7dda8136ad696d8222e799c4d1b6a9018a9
diff --git a/core/installer/cmd/rewrite.go b/core/installer/cmd/rewrite.go
index 44f499a..8bb9173 100644
--- a/core/installer/cmd/rewrite.go
+++ b/core/installer/cmd/rewrite.go
@@ -84,7 +84,7 @@
 			return err
 		}
 		v := inst.InputToValues(app.Schema())
-		if err := mgr.Update(app, inst.Id, v, soft.WithNoCommit()); err != nil {
+		if _, err := mgr.Update(app, inst.Id, v, soft.WithNoCommit()); err != nil {
 			return err
 		}
 	}