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>