fix selectors

libs/components/src/a11y/a11y-cell.directive.ts

@@ -3,7 +3,7 @@ import { Directive, ElementRef, HostBinding, contentChild } from "@angular/core"
 import { FocusableElement } from "../shared/focusable-element";
 
 @Directive({
-  selector: "bitA11yCell",
+  selector: "[bitA11yCell]",
   standalone: true,
   providers: [{ provide: FocusableElement, useExisting: A11yCellDirective }],
 })

libs/components/src/a11y/a11y-grid.directive.ts

@@ -23,7 +23,7 @@ import { A11yRowDirective } from "./a11y-row.directive";
  * @see https://www.w3.org/WAI/ARIA/apg/patterns/grid/examples/data-grids/
  */
 @Directive({
-  selector: "bitA11yGrid",
+  selector: "[bitA11yGrid]",
   standalone: true,
 })
 export class A11yGridDirective {

libs/components/src/a11y/a11y-row.directive.ts

@@ -10,7 +10,7 @@ import {
 import { A11yCellDirective } from "./a11y-cell.directive";
 
 @Directive({
-  selector: "bitA11yRow",
+  selector: "[bitA11yRow]",
   standalone: true,
 })
 export class A11yRowDirective {