Rename ‘File a Bug’ to ‘Report an Issue’

This makes it more consistent with ‘Report an issue’ under View > Debug Log.

Not using ellipsis as menu item doesn’t require user confirmation:
https://stackoverflow.com/a/637708

app/menu.js

@@ -130,7 +130,7 @@ exports.createTemplate = (options, messages) => {
         click: openSupportPage,
       },
       {
-        label: messages.fileABug.message,
+        label: messages.menuReportIssue.message,
         click: openNewBugForm,
       },
       {