"Sync with..." tooltip is wrongly displayed when hovering the "Give Feedback" button (#679)

Fixes #661

Author: himanish-star

src/sidebar/panel.js

@@ -27,6 +27,7 @@ let syncingInProcess = false;
 enableSync.setAttribute('title', browser.i18n.getMessage('syncNotes'));
 giveFeedbackButton.setAttribute('title', browser.i18n.getMessage('feedback'));
 giveFeedbackMenuItem.text = browser.i18n.getMessage('feedback');
+giveFeedbackMenuItem.setAttribute('title', browser.i18n.getMessage('feedback'));
 
 function giveFeedbackCallback(e) {
   e.preventDefault();