HUE-2381 [fb] Right click menu is not always hidden when clicking outside

Added event handler to determine if context click occurs outside of file list in order to close the context menu

apps/filebrowser/src/filebrowser/templates/listdir_components.mako

@@ -1254,6 +1254,15 @@ from django.utils.translation import ugettext as _
       };
     };
 
+    // hide the context menu based on specific events
+    var hideContextMenu = function () {
+      var cm = $('.context-menu');
+
+      if (cm.is(':visible')) {
+        cm.css({ display: 'none' });
+      }
+    };
+
     var viewModel = new FileBrowserModel([], null, [], "/");
     ko.applyBindings(viewModel);
 
@@ -1274,17 +1283,17 @@ from django.utils.translation import ugettext as _
 
       // hide context menu
       $('body').on('click', function (e) {
-        var cm = $('.context-menu');
-        if (cm.is(':visible')) {
-          cm.css({ display: 'none' });
+        hideContextMenu();
+      });
+
+      $('body').on('contextmenu', function (e) {
+        if ($.inArray(e.toElement, $('.datatables *')) === -1) {
+          hideContextMenu();
         }
       });
 
       $('body').on('contextmenu', '.context-menu', function (e) {
-        var cm = $('.context-menu');
-        if (cm.is(':visible')) {
-          cm.css({ display: 'none' });
-        }
+        hideContextMenu();
       });
 
       // Drag and drop uploads from anywhere on filebrowser screen