Bug 1705500 - Added word wrap to send tab to another device menu r=mconley

Modified toolbaritem for the send tab to another device menu item to wrap text and align icon at the top of the button.

Differential Revision: https://phabricator.services.mozilla.com/D115657

browser/base/content/browser-sync.js

@@ -724,6 +724,8 @@ var gSync = {
           return document.createXULElement("toolbarseparator");
         }
         let item = document.createXULElement("toolbarbutton");
+        item.setAttribute("wrap", true);
+        item.setAttribute("align", "start");
         item.classList.add("pageAction-sendToDevice-device", "subviewbutton");
         if (clientId) {
           item.classList.add("subviewbutton-iconic");