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/wayland/client/request.go

@@ -0,0 +1,44 @@
+package client
+
+import (
+	"fmt"
+	"unsafe"
+)
+
+func (ctx *Context) WriteMsg(b []byte, oob []byte) error {
+	n, oobn, err := ctx.conn.WriteMsgUnix(b, oob, nil)
+	if err != nil {
+		return err
+	}
+	if n != len(b) || oobn != len(oob) {
+		return fmt.Errorf("ctx.WriteMsg: incorrect number of bytes written (n=%d oobn=%d)", n, oobn)
+	}
+
+	return nil
+}
+
+func PutUint32(dst []byte, v uint32) {
+	_ = dst[3]
+	*(*uint32)(unsafe.Pointer(&dst[0])) = v
+}
+
+func PutFixed(dst []byte, f float64) {
+	fx := fixedFromfloat64(f)
+	_ = dst[3]
+	*(*int32)(unsafe.Pointer(&dst[0])) = fx
+}
+
+// PutString places a string in Wayland's wire format on the destination buffer.
+// It first places the length of the string (plus one for the null terminator) and then the string
+// followed by a null byte.
+// The length of dst must be equal to, or greater than, len(v) + 5.
+func PutString(dst []byte, v string) {
+	PutUint32(dst[:4], uint32(len(v)+1))
+	copy(dst[4:], v)
+	dst[4+len(v)] = '\x00' // To cause panic if dst is not large enough
+}
+
+func PutArray(dst []byte, a []byte) {
+	PutUint32(dst[:4], uint32(len(a)))
+	copy(dst[4:], a)
+}