[11732] Interrupt movement state at dying

TODO: proper solution would be update creatures while in corpse state.
This also would solve problems with death persistent auras that not get updated for died creatures

src/game/Unit.cpp

@@ -8362,6 +8362,7 @@ void Unit::SetDeathState(DeathState s)
         UnsummonAllTotems();
 
         StopMoving();
+        DisableSpline();
 
         ModifyAuraState(AURA_STATE_HEALTHLESS_20_PERCENT, false);
         ModifyAuraState(AURA_STATE_HEALTHLESS_35_PERCENT, false);