Steps to replicate the issue (include links if applicable):
WHEN I visit this page or any event with a long title with no spaces in it
AND register or the the event
THEN the confirmation dialog is overflowing and should instead wrap
Acceptance criteria:
Event name should wrap in confirmation dialog
Software version (skip for WMF-hosted wikis like Wikipedia):
betacluster, 1.42.0-wmf.24
Other information (browser name/version, screenshots, etc.):
Chrome
Note that an event with the same title but with spaces in it will wrap correctly in both instances