Bind ClockDirection enum

It's the only enum in math_defs.h not bound, and it's used by Plane.

core/core_constants.cpp

@@ -125,6 +125,9 @@ void register_global_constants() {
 	BIND_CORE_ENUM_CONSTANT(VERTICAL);
 	BIND_CORE_ENUM_CONSTANT(HORIZONTAL);
 
+	BIND_CORE_ENUM_CONSTANT(CLOCKWISE);
+	BIND_CORE_ENUM_CONSTANT(COUNTERCLOCKWISE);
+
 	BIND_CORE_ENUM_CONSTANT(HALIGN_LEFT);
 	BIND_CORE_ENUM_CONSTANT(HALIGN_CENTER);
 	BIND_CORE_ENUM_CONSTANT(HALIGN_RIGHT);

core/variant/binder_common.h

@@ -88,6 +88,7 @@ VARIANT_ENUM_CAST(Vector3::Axis);
 
 VARIANT_ENUM_CAST(Error);
 VARIANT_ENUM_CAST(Side);
+VARIANT_ENUM_CAST(ClockDirection);
 VARIANT_ENUM_CAST(Corner);
 VARIANT_ENUM_CAST(Orientation);
 VARIANT_ENUM_CAST(HAlign);