Signup: modifying signup to signup begins to start now does not work for imported signup

You'll need 2 sites with the Sign-up tool Site1: Create an event for tomorrow, 1 hour, 4 slots Set the Sign-up Begins date/time to "Starts now" Leave the default Sign-up Ends (1 hour before meeting finishes) Publish the event Site2: Click Site info > Import from site Select merge my data and Site1, complete the import It takes a few minutes for the event to show up After the event is there, verify all the dates are correct Currently, the Sign-up Begins/Ends dates are exactly the start/end times of the actual event Click on the event, then click Modify Change the Sign-up Begins to Start now Change the Sign-up Ends to 1 hour before the meeting finishes Publish modifications Currently, the Sign-up Ends seems to keep the new setting, but Sign-up Begins does not.