Issue Summary

Adding cards to the secondary calendar will add them to the main calendar within Planner.

Steps to Reproduce

1. Add a Google Calendar in Planner
2. Select a secondary calendar and unselect the main calendar
3. Try dragging and dropping a card to the calendar
4. It will select the main calendar and add the card to that instead of the selected calendar.

Expected Results

The events added to the selected calendar should be added to that instead of getting added to the main calendar.

Actual Results

Cards added to the planner will be added to the main calendar instead of the selected calendar.

Workaround

Currently there is no known workaround for this behavior. A workaround will be added here when available