feat: CRMMON-8029 focus on button

Signed-off-by: louisua <[email protected]>

Author: louisua

projects/angular-ui/src/lib/file/file-input.component.html

@@ -14,7 +14,6 @@
     [disabled]="disabled"
     (click)="uploader.click()"
     aria-hidden="true"
-    tabIndex="-1"
   >
     {{ intl.dropzoneButtonLabel }}
   </button>