Fix assignee dropdown in escalation policy modal
Problem:
As discussed in !107486 (comment 1217840223) - the assignee dropdown in the escalation policy modal is currently quite difficult to use:
Implementation guide
Proposal:
The modal is currently set to "scrollable". If we change the modal to being "not scrollable", the dropdown will be able to extend beyond the edges of the modal, and be visible. More details in this thread.
Edited by Sarah Yasonik