Implement LegoJetskiRaceActor::VTable0x6c, add BETA10 annotations (#1160)

Co-authored-by: jonschz <jonschz@users.noreply.github.com>

LEGO1/lego/legoomni/include/legoracers.h

@@ -43,6 +43,7 @@ public:
 	MxLong Notify(MxParam& p_param) override; // vtable+0x04
 
 	// FUNCTION: LEGO1 0x100142a0
+	// FUNCTION: BETA10 0x100cd500
 	const char* ClassName() const override // vtable+0x0c
 	{
 		// STRING: LEGO1 0x100f0548