refactor(theme-shared): loader-bar

npm/ng-packs/packages/theme-shared/src/lib/components/loader-bar/loader-bar.component.scss

@@ -12,7 +12,7 @@
   }
 
   .abp-progress {
-    height: 2px;
+    height: 3px;
     left: 0;
     position: fixed;
     top: 0;

npm/ng-packs/packages/theme-shared/src/lib/components/loader-bar/loader-bar.component.ts

@@ -97,7 +97,7 @@ export class LoaderBarComponent implements OnDestroy {
     this.interval.unsubscribe();
     this.progressLevel = 100;
     this.isLoading = false;
-    if (this.timer) this.timer.unsubscribe();
+    if (this.timer && !this.timer.closed) return;
 
     this.timer = timer(820).subscribe(() => {
       this.progressLevel = 0;