fix: ignore setting property of 'null' objects

Author: sis0k0

Diff for: nativescript-angular/view-util.ts

@@ -297,7 +297,7 @@ export class ViewUtil {
     }
 
     public setProperty(view: NgView, attributeName: string, value: any, namespace?: string): void {
-        if (namespace && !this.runsIn(namespace)) {
+        if (!view || (namespace && !this.runsIn(namespace))) {
             return;
         }