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

src-ui/src/app/components/common/confirm-button/confirm-button.component.html

@@ -10,7 +10,7 @@
     popoverClass="popover-slim"
 >
     @if (iconName) {
-        <i-bs [class.me-1]="label" name="{{iconName}}"></i-bs>
+        <pngx-bs-icon [class.me-1]="label" name="{{iconName}}"></pngx-bs-icon>
     }
     <ng-container>{{label}}</ng-container>
 </button>

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)

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

@@ -6,13 +6,13 @@ import {
   ViewChild,
 } from '@angular/core'
 import { NgbPopover, NgbPopoverModule } from '@ng-bootstrap/ng-bootstrap'
-import { NgxBootstrapIconsModule } from 'ngx-bootstrap-icons'
+import { BootstrapIconComponent } from 'src/app/components/common/bootstrap-icon/bootstrap-icon.component'
 
 @Component({
   selector: 'pngx-confirm-button',
   templateUrl: './confirm-button.component.html',
   styleUrl: './confirm-button.component.scss',
-  imports: [NgbPopoverModule, NgxBootstrapIconsModule],
+  imports: [NgbPopoverModule, BootstrapIconComponent],
 })
 export class ConfirmButtonComponent {
   @Input()