Added fuctionality of form submit by enter key in Wikidata Login dialogue

extensions/wikidata/module/scripts/dialogs/manage-account-dialog.js

@@ -70,6 +70,25 @@ ManageAccountDialog.display = function(logged_in_username, saved_credentials, ca
        });
   });
 
+
+ 	document.addEventListener('keydown', function(event) {
+        if (event.keyCode == 13) {
+            frame.hide();
+            Refine.postCSRF(
+               "command/wikidata/login",
+               elmts.loginForm.serialize(),
+               function(data) {
+                 if (data.logged_in) {
+                   dismiss();
+                   callback(data.username);
+                 } else {
+                    frame.show();
+                    elmts.invalidCredentials.text("Invalid credentials.");
+                 }
+               });
+          }
+    });
+
   elmts.logoutButton.click(function() {
     Refine.postCSRF(
        "command/wikidata/login",