[BUG-12289] Possible to import Tag Groups

This issue was fixed in the build uploaded today (4/10).

Normally we have the nightly builds accessible via https://inductiveautomation.com/downloads/ignition, but in the meantime you can find it via this post:
8.0.1 Nightlies - Temporary Place to Download the Latest Builds

Let us know if you have any issues.