Use some GetMatrix/SetMatrix logic based on SA

# Conflicts:
#	src/control/Pickups.cpp
#	src/control/RoadBlocks.cpp
#	src/core/World.cpp
#	src/entities/Entity.cpp
#	src/objects/CutsceneHead.cpp
#	src/objects/Object.cpp

src/peds/Ped.cpp

@@ -7761,7 +7761,7 @@ CPed::SetPedPositionInCar(void)
 	} else {
 		m_fRotationCur = m_pMyVehicle->GetForward().Heading();
 	}
-	GetMatrix() = newMat;
+	SetMatrix(newMat);
 }
 
 void