Saving is shown as 'in progress' when sign in to Google is cancelled

[asimic]

Create new or use existing map
Choose Save As -> Google Drive
On "Please confirm' dialog click on 'Authenticate' button
New window 'Sign in - Google Accounts' is opened
Close that window
Note:

• 'Please wait, saving the map ... Authenticating with Google' message on alert/info 'bar' with progress icon
• 'Save' button in upper corner is disable and showing progress icon

Cannot replicate with DropBox or GitHub