AppManager: monitor installed HelmRelease resources

Change-Id: Ia036e7dda8136ad696d8222e799c4d1b6a9018a9
diff --git a/core/installer/welcome/welcome.go b/core/installer/welcome/welcome.go
index d7bccdd..1592a5c 100644
--- a/core/installer/welcome/welcome.go
+++ b/core/installer/welcome/welcome.go
@@ -226,7 +226,7 @@
 			instanceId := fmt.Sprintf("%s-%s", app.Slug(), req.Username)
 			appDir := fmt.Sprintf("/apps/%s", instanceId)
 			namespace := fmt.Sprintf("%s%s", env.NamespacePrefix, app.Namespace())
-			if err := appManager.Install(app, instanceId, appDir, namespace, map[string]any{
+			if _, err := appManager.Install(app, instanceId, appDir, namespace, map[string]any{
 				"username": req.Username,
 				"preAuthKey": map[string]any{
 					"enabled": false,