fix(#5645): Use correct key value to block Space keypress in BtnDisabledDirective

(cherry picked from commit 95db2d8)

Author: JohnnyMendesC

src/app/shared/btn-disabled.directive.ts

@@ -53,7 +53,7 @@ export class BtnDisabledDirective {
      */
   @HostListener('keydown', ['$event'])
     handleKeydown(event: KeyboardEvent) {
-      if (this.isDisabled && (event.key === 'Enter' || event.key === 'Space')) {
+      if (this.isDisabled && (event.key === 'Enter' || event.key === ' ')) {
         event.preventDefault();
         event.stopImmediatePropagation();
       }

src/app/shared/disabled-directive.spec.ts

@@ -78,7 +78,7 @@ describe('DisabledDirective', () => {
     button.nativeElement.addEventListener('keydown', () => keydownHandled = true);
 
     const enterEvent = new KeyboardEvent('keydown', { key: 'Enter' });
-    const spaceEvent = new KeyboardEvent('keydown', { key: 'Space' });
+    const spaceEvent = new KeyboardEvent('keydown', { key: ' ' });
 
     button.nativeElement.dispatchEvent(enterEvent);
     button.nativeElement.dispatchEvent(spaceEvent);
@@ -96,7 +96,7 @@ describe('DisabledDirective', () => {
     button.nativeElement.click();
 
     const enterEvent = new KeyboardEvent('keydown', { key: 'Enter' });
-    const spaceEvent = new KeyboardEvent('keydown', { key: 'Space' });
+    const spaceEvent = new KeyboardEvent('keydown', { key: ' ' });
 
     button.nativeElement.dispatchEvent(enterEvent);
     button.nativeElement.dispatchEvent(spaceEvent);