[CL-525] Upgrade angular to v19 (#14815)

Upgrade Angular to v19 using the update guide.

- Add `standalone: false` to any missed component in stories or tests.
- Update jest.config to follow the new best practices.

libs/components/src/toggle-group/toggle-group.component.spec.ts

@@ -10,7 +10,7 @@ import { ToggleComponent } from "./toggle.component";
 describe("Button", () => {
   let fixture: ComponentFixture<TestApp>;
   let testAppComponent: TestApp;
-  let buttonElements: ToggleComponent[];
+  let buttonElements: ToggleComponent<unknown>[];
   let radioButtons: HTMLInputElement[];
 
   beforeEach(waitForAsync(() => {
@@ -67,6 +67,7 @@ describe("Button", () => {
       <bit-toggle value="third">Third</bit-toggle>
     </bit-toggle-group>
   `,
+  standalone: false,
 })
 class TestApp {
   selected?: string;

libs/components/src/toggle-group/toggle.component.spec.ts

@@ -63,12 +63,13 @@ describe("Button", () => {
 
 class MockedButtonGroupComponent implements Partial<ToggleGroupComponent> {
   onInputInteraction = jest.fn();
-  selected = null;
+  selected: unknown = null;
 }
 
 @Component({
   selector: "test-app",
   template: ` <bit-toggle [value]="value">Element</bit-toggle>`,
+  standalone: false,
 })
 class TestApp {
   value?: string;