Fix closing the sharing dropdown by clicking on the share button

apps/files_sharing/js/share.js

@@ -46,7 +46,7 @@ $(document).ready(function() {
 			var appendTo = $(tr).find('td.filename');
 			// Check if drop down is already visible for a different file
 			if (OC.Share.droppedDown) {
-				if (item != $('#dropdown').data('item')) {
+				if ($(tr).data('id') != $('#dropdown').attr('data-item-source')) {
 					OC.Share.hideDropDown(function () {
 						$(tr).addClass('mouseOver');
 						OC.Share.showDropDown(itemType, $(tr).data('id'), appendTo, true, possiblePermissions);