It shouldn't be necessary.
To confirm upfront:
Then, once you've provided the user(s) with Assign Issues permission:
I tested this on Cloud without edit permissions and it worked fine. You can't inline edit the assignee as this does class as "editing" the issue - but the assign button is the workaround to that.
Based on Omar's account which you've logged into - it appears he can both
He won't be able to inline edit as this is editing even for Assignee.
Learn how to use two new reports for next-gen projects in Jira Cloud: Cumulative flow diagram and Sprint burndown chart. Ivan Teong, Product Manager, Jira Software, demos the Cumulative ...
Connect with like-minded Atlassian users at free events near you!Find an event
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no Community Events near you at the moment.Host an event
You're one step closer to meeting fellow Atlassian users at your local event. Learn more about Community Events