Material-Shell Extension Settings hangs #633

Before I start, there's a lot of negativity in some of these bug reports. Thank you very much for taking the time to create this extension. I was looking for a nice middle ground between Gnome and i3 and this is exactly what I'm looking for.

Describe the bug
When I open Extensions -> Material Shell Settings the window hangs for 15-20 seconds. Some options that I attempt to configure (Color for example) will cause the freeze again.

Additional Detail
I've disabled all System76 extensions except PopShop and System76 Power and disabled the majority of the built-in keymappings in Pop_OS! to make sure Material Shell is being conflicted with as little as possible.

Normally I'm decent at troubleshooting but these stacktraces are a bit beyond me.

Expected behavior
I expect 0-1 second delay before the UI is ready to use.

Screenshots
If applicable, add screenshots to help explain your problem.

To Reproduce

• Occurs on:
  • X.Org
  • Wayland
• GNOME Shell version: 3.38
• Distro: Pop_OS! 20.10
• Steps to reproduce, if applicable:

1. Unsure what I did to cause. Did not happen on clean install.
2. Open Extensions
3. Open Material Shell Settings

Current commit
Installed from gnome-extensions site.

Log data
Output from journalctl /usr/bin/gnome-shell:

pastebin.com/m3qjgkuR