Missing header icons in IE11
Summary
The operations, instance statistics, and admin area icon are missing from the header on IE 11.785.16299.0 (Update version 11.0.95).
What is the expected correct behavior?
Icons should not be missing.
Relevant logs and/or screenshots
A screenshot is included in the customer ticket.
Noticed the missing icons after updating from 11.1.4 to 11.5.3
Customer ticket: https://gitlab.zendesk.com/agent/tickets/110158 (internal use)
/cc @victorwu