Don't import Rollbar as a namespace in the Angular example (#1278)

Author: matux

examples/angular/src/app/app.component.ts

@@ -1,7 +1,7 @@
 // src/app/app.component.ts
 import { Component, inject } from '@angular/core';
 import { RollbarService } from './rollbar.errorhandler';
-import * as Rollbar from 'rollbar';
+import Rollbar from 'rollbar';
 
 @Component({
   selector: 'app-root',

examples/angular/src/app/rollbar.errorhandler.ts

@@ -1,6 +1,6 @@
 // src/app/rollbar.errorhandler.ts
 import { ErrorHandler, inject, Injectable, InjectionToken } from '@angular/core';
-import * as Rollbar from 'rollbar';
+import Rollbar from 'rollbar';
 
 // InjectionToken for providing a Rollbar instance
 export const RollbarService = new InjectionToken<Rollbar>('rollbar');