fix(grenade): set weapon creator class before spawn

Spawn depends on the creator class to choose the correct model (grenade
launcher's vs hand grenade).

Author: anf3is

src/game/server/swarm/asw_grenade_cluster.cpp

@@ -225,6 +225,10 @@ CASW_Grenade_Cluster* CASW_Grenade_Cluster::Cluster_Grenade_Create( float flDama
 	pGrenade->SetAbsAngles( angles );
 	UTIL_SetOrigin( pGrenade, position );
 	pGrenade->m_vecInitPos = position;
+	if ( pCreatorWeapon )
+	{
+		pGrenade->m_CreatorWeaponClass = pCreatorWeapon->Classify();
+	}
 	pGrenade->Spawn();
 	pGrenade->m_flDamage = flDamage;
 	pGrenade->m_DmgRadius = fRadius;
@@ -235,7 +239,6 @@ CASW_Grenade_Cluster* CASW_Grenade_Cluster::Cluster_Grenade_Create( float flDama
 	pGrenade->m_hCreatorWeapon = pCreatorWeapon;
 	if ( pCreatorWeapon )
 	{
-		pGrenade->m_CreatorWeaponClass = pCreatorWeapon->Classify();
 		pGrenade->m_ProjectileData.GetForModify().SetFromWeapon( pCreatorWeapon );
 	}