refactor: minor cleanups

Author: xidedix

projects/coreui-angular/src/lib/dropdown/dropdown/dropdown.component.ts

@@ -120,7 +120,6 @@ export class DropdownToggleDirective implements AfterViewInit {
   styleUrls: ['./dropdown.component.scss'],
   exportAs: 'cDropdown',
   providers: [DropdownService],
-
   hostDirectives: [{ directive: ThemeDirective, inputs: ['dark'] }]
 })
 export class DropdownComponent implements AfterContentInit, OnChanges, OnDestroy, OnInit {

projects/coreui-angular/src/lib/offcanvas/offcanvas-toggle/offcanvas-toggle.directive.spec.ts

@@ -20,8 +20,8 @@ describe('OffcanvasToggleDirective', () => {
 
   beforeEach(() => {
     TestBed.configureTestingModule({
-      imports: [NoopAnimationsModule, OffcanvasToggleDirective],
-      providers: [OffcanvasService, TestButtonComponent]
+      imports: [NoopAnimationsModule, OffcanvasToggleDirective, TestButtonComponent],
+      providers: [OffcanvasService]
     });
     fixture = TestBed.createComponent(TestButtonComponent);
     component = fixture.componentInstance;

projects/coreui-angular/src/lib/tabs-2/tabs-list/tabs-list.component.ts

@@ -91,7 +91,7 @@ export class TabsListComponent {
     });
   });
 
-  tabsServiceEffect = effect(() => {
+  readonly tabsServiceEffect = effect(() => {
     const activeItemIndex = this.tabs().findIndex(
       (tab) => untracked(tab.isActive) && untracked(tab.itemKey) === this.tabsService.activeItemKey()
     );