Issue #3506530 by grimreaper: Media Library Edit support

Closes #3506530

assets/css/media-library/media-library-buttons.css

 /* Remove button of selected medias. */
-button[name$="media-library-remove-button"] {
+button.media-library-remove-button,
+/* Edit button. */
+a.media-library-edit__link {
   position: absolute;
   z-index: 1;
   right: var(--bs-card-spacer-x);
   margin: 0.25rem;
 }
 
+/* Edit button. */
+a.media-library-edit__link {
+  top: 30px;
+}
+
 /* Remove button when creating a media. */
 .media-added-remove-button {
   position: absolute;