On the menu that is shown when a waystone is interacted with, the text current location and select your destination overlaps with two buttons and the waystone list.
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Image 2

Forge 1.14.4-28.1.111
Waystones 1.14.4-5.1.0

I forked this repo and played around with your existing code.
Not sure why, but calling super.init() in WaystoneSelectionScreen seems to be what is causing this.

When that line is removed, everything looks almost perfect.
Further reverting a few more changes made in ee27808 makes everything look right.

I've created a PR that'll fix this.

Hey, @blay09, could I get a status update on this issue?