core/wayland: thread-safety meta fixes + cleanups + hypr workaround

- fork go-wayland/client and modify to make it thread-safe internally
- use sync.Map and atomic values in many places to cut down on mutex
  boilerplate
- do not create extworkspace client unless explicitly requested

core/pkg/go-wayland/generate

@@ -0,0 +1,4 @@
+#!/bin/sh
+
+cd ./wayland
+go generate -x ./...