Core/SAI: Run mode should not be set to true each time a creature resets, it should use its previous value

Signed-off-by: Subv2112 <s.v.h21@hotmail.com>

src/server/game/AI/SmartScripts/SmartAI.cpp

@@ -89,7 +89,7 @@ void SmartAI::UpdateDespawn(const uint32 diff)
 void SmartAI::Reset()
 {
     if (!HasEscortState(SMART_ESCORT_ESCORTING))//dont mess up escort movement after combat
-        SetRun(true);
+        SetRun(mRun);
     GetScript()->OnReset();
 }