Chore: ditch the abandoned ngx-bootstrap-icons, roll our own (#14665)

src-ui/src/app/components/common/confirm-button/confirm-button.component.spec.ts

@@ -1,7 +1,6 @@
 import { ComponentFixture, TestBed } from '@angular/core/testing'
 
 import { NgbPopoverModule } from '@ng-bootstrap/ng-bootstrap'
-import { NgxBootstrapIconsModule, allIcons } from 'ngx-bootstrap-icons'
 import { ConfirmButtonComponent } from './confirm-button.component'
 
 describe('ConfirmButtonComponent', () => {
@@ -10,11 +9,7 @@ describe('ConfirmButtonComponent', () => {
 
   beforeEach(async () => {
     await TestBed.configureTestingModule({
-      imports: [
-        NgbPopoverModule,
-        NgxBootstrapIconsModule.pick(allIcons),
-        ConfirmButtonComponent,
-      ],
+      imports: [NgbPopoverModule, ConfirmButtonComponent],
     }).compileComponents()
 
     fixture = TestBed.createComponent(ConfirmButtonComponent)