The "X" button from the "Event Deletion" panel is wrongly placed

[emilghittasv]

Steps to reproduce

1. Log in to Moderator with an account that has the proper perms of deleting an event.
2. Click on the "delete" button.

Expected Results:

• The "X" button is placed on the right side of the Event Deletion header.

Actual Results:

• The "X" button is placed on the left side of the "Event Deletion" header

Screenshot

[emilghittasv]

This is reproducible for all Mozilla Moderator modals

[akatsoulas]

PR #551

[emilghittasv]

I can confirm that this issue is verified fixed in stage