AppManager: Handle new port forwards during app update

Change-Id: I72a4c5b7ec4bd5ba6ddd32cd3f33dce023d7d9ea
diff --git a/core/installer/app.go b/core/installer/app.go
index f830455..0b59ca1 100644
--- a/core/installer/app.go
+++ b/core/installer/app.go
@@ -494,7 +494,7 @@
 	for k, v := range v {
 		if v != nil {
 			if _, ok := d[k]; !ok {
-				d[k] = v
+				ret[k] = v
 			}
 		}
 	}
@@ -519,7 +519,6 @@
 	if err != nil {
 		return EnvAppRendered{}, err
 	}
-	// return EnvAppRendered{}, fmt.Errorf("asdasd")
 	if charts == nil {
 		charts = make(map[string]helmv2.HelmChartTemplateSpec)
 	}