Core/Scripts: Code style cleanup in ScriptedAI and BossAI

src/server/scripts/Kalimdor/OnyxiasLair/boss_onyxia.cpp

@@ -144,7 +144,7 @@ public:
 
         void Reset()
         {
-            if (!IsCombatMovement())
+            if (!IsCombatMovementAllowed())
                 SetCombatMovement(true);
 
             m_uiPhase = PHASE_START;

src/server/scripts/Kalimdor/dustwallow_marsh.cpp

@@ -547,7 +547,7 @@ public:
                 me->SetInCombatWith(pWho);
                 pWho->SetInCombatWith(me);
 
-                if (IsCombatMovement())
+                if (IsCombatMovementAllowed())
                     me->GetMotionMaster()->MoveChase(pWho);
             }
         }