I can confirm this behavior for both Edge and Chrome browsers.
At first I thought it was by design. The built-in templates use images of those icons instead of the icons themselves. What direction is PA wanting to head?
Check out the News & Announcements to learn more.
Check out the new Power Platform Community Connections gallery!
Congratulations, the new Super User Season 2 for 2021 has started!
Power Platform release plan for the 2021 release wave 2 describes all new features releasing from October 2021 through March 2022.