Migrate frontend prefix to -pngx

src-ui/src/app/components/dashboard/widgets/widget-frame/widget-frame.component.spec.ts

@@ -9,7 +9,7 @@ import { WidgetFrameComponent } from './widget-frame.component'
   template: `
     <div>
       <button
-        *appIfObjectPermissions="{
+        *pngxIfObjectPermissions="{
           object: { id: 2, owner: user1 },
           action: 'view'
         }"

src-ui/src/app/components/dashboard/widgets/widget-frame/widget-frame.component.ts

@@ -1,7 +1,7 @@
 import { Component, Input } from '@angular/core'
 
 @Component({
-  selector: 'app-widget-frame',
+  selector: 'pngx-widget-frame',
   templateUrl: './widget-frame.component.html',
   styleUrls: ['./widget-frame.component.scss'],
 })