- fix: new tasks counter was not working in old browsers (like chrome 49) due to the absent cookies in fetch

src/content/mytinytodo.js

@@ -2722,6 +2722,7 @@ function newTaskCounter()
 
     fetch(_mtt.apiUrl + 'tasks/newCounter', {
         method: 'POST',
+        credentials: 'same-origin', // old browsers
         headers: {
             'Content-Type': 'application/json',
             'MTT-Token': _mtt.options.token,