Core/Spells: rework part 5: GameObject casting

Port From (https://github.com/TrinityCore/TrinityCore/commit/962f6d7988b9003e550f6745be7cff812e9d8efa)

Source/Scripts/Spells/Druid.cs

@@ -906,7 +906,7 @@ namespace Scripts.Spells.Druid
             if (caster != null)
             {
                 // 0.01 * $AP * cp
-                byte cp = caster.ToPlayer().GetComboPoints();
+                byte cp = (byte)caster.ToPlayer().GetComboPoints();
 
                 // Idol of Feral Shadows. Can't be handled as SpellMod due its dependency from CPs
                 AuraEffect idol = caster.GetAuraEffect(SpellIds.IdolOfFeralShadows, 0);

Source/Scripts/Spells/Items.cs

@@ -1380,7 +1380,7 @@ namespace Scripts.Spells.Items
 
         void HandleProc(AuraEffect aurEff, ProcEventInfo eventInfo)
         {
-            if (eventInfo.GetTypeMask().HasFlag(ProcFlags.DoneRangedAutoAttack | ProcFlags.DoneSpellRangedDmgClass))
+            if (eventInfo.GetTypeMask().HasAnyFlag(ProcFlags.DoneRangedAutoAttack | ProcFlags.DoneSpellRangedDmgClass))
             {
                 // in that case, do not cast heal spell
                 PreventDefaultAction();

Source/Scripts/World/NpcSpecial.cs

@@ -1463,7 +1463,7 @@ namespace Scripts.World.NpcSpecial
         public override void Reset() { }
         public override void JustEngagedWith(Unit who) { }
 
-        public override void OnPossess(bool apply)
+        public void OnPossess(bool apply)
         {
             if (apply)
             {