Don't try to use non-existing elements #8953

If we don't specify a type parameter then `nativeElement` will return an
`any` allowing us to do very dangerous things without any typing checks

Author: PowerKiKi

projects/fab-speed-dial/src/lib/fab-speed-dial.ts

@@ -254,7 +254,7 @@ export class EcoFabSpeedDialComponent implements OnDestroy, AfterContentInit {
     @ContentChild(EcoFabSpeedDialActionsComponent) private _childActions!: EcoFabSpeedDialActionsComponent;
 
     public constructor(
-        private elementRef: ElementRef,
+        private elementRef: ElementRef<HTMLElement>,
         private renderer: Renderer2,
         @Inject(DOCUMENT) private document: Document,
     ) {}