Issue Summary

When using the Calendar Power-up and right clicking an event, the Edit dates menu option is unresponsive. It produces a momentary overlay, but fails to load the feature to edit the date on the Power-up.

Steps to Reproduce

1. Open a board
2. Open the Calendar Power-up
3. Right click an event
4. Select Edit dates

Expected Results

The Power-up should allow the dates to be changed from the Power-up's page.

Actual Results

The option is unresponsive, and momentarily flashes with a brief dialogue, but otherwise shows a line underneath.

Workaround

To change a date of a card, either click and drag the card to another date. Alternatively, open the card and change the date from the card back.