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/util.go

@@ -0,0 +1,24 @@
+package client
+
+import "math"
+
+// From wayland/wayland-util.h
+
+func fixedToFloat64(f int32) float64 {
+	u_i := (1023+44)<<52 + (1 << 51) + int64(f)
+	u_d := math.Float64frombits(uint64(u_i))
+	return u_d - (3 << 43)
+}
+
+func fixedFromfloat64(d float64) int32 {
+	u_d := d + (3 << (51 - 8))
+	u_i := int64(math.Float64bits(u_d))
+	return int32(u_i)
+}
+
+func PaddedLen(l int) int {
+	if (l & 0x3) != 0 {
+		return l + (4 - (l & 0x3))
+	}
+	return l
+}