Revert the gallery clear selection classname to the old one (#2195)

Author: leonardomendix

packages/pluggableWidgets/gallery-web/e2e/Gallery.spec.js-snapshots/galleryDropdownFilter-chromium-linux.png

@@ -63,7 +63,7 @@ const SelectionCounter = (): ReactNode => {
                 {props.selectedCountTemplateSingular}
             </span>
             &nbsp;|&nbsp;
-            <button className="widget-gallery-btn-link">{props.clearSelectionButtonLabel}</button>
+            <button className="widget-gallery-clear-selection">{props.clearSelectionButtonLabel}</button>
         </div>
     );
 };

packages/pluggableWidgets/gallery-web/e2e/GallerySelection.spec.js-snapshots/galleryMultiSelection-chromium-linux.png

@@ -12,7 +12,7 @@ export const SelectionCounter = observer(function SelectionCounter() {
                 {selectionCounterVM.selectedCountText}
             </span>
             &nbsp;|&nbsp;
-            <button className="widget-gallery-btn-link" onClick={() => selectActions.clearSelection()}>
+            <button className="widget-gallery-clear-selection" onClick={() => selectActions.clearSelection()}>
                 {selectionCounterVM.clearButtonLabel}
             </button>
         </div>