Core/Spells: Adjust range checks to GameObject targets

Port From (https://github.com/TrinityCore/TrinityCore/commit/71b58c2e6215aaf81ced9964ca10983f54fbe14c)

Source/Game/Spells/Spell.cs

@@ -5736,6 +5736,9 @@ namespace Game.Spells
             if (m_spellInfo.RangeEntry != null && m_spellInfo.RangeEntry.Flags != SpellRangeFlag.Melee && !strict)
                 maxRange += Math.Min(3.0f, maxRange * 0.1f); // 10% but no more than 3.0f
 
+            // save the original values before squaring them
+            float origMaxRange = maxRange;
+
             // get square values for sqr distance checks
             minRange *= minRange;
             maxRange *= maxRange;
@@ -5758,10 +5761,7 @@ namespace Game.Spells
             GameObject goTarget = m_targets.GetGOTarget();
             if (goTarget != null)
             {
-                if (m_caster.GetExactDistSq(goTarget) > maxRange)
-                    return SpellCastResult.OutOfRange;
-
-                if (minRange > 0.0f && m_caster.GetExactDistSq(goTarget) < minRange)
+                if (!goTarget.IsInRange(m_caster.GetPositionX(), m_caster.GetPositionY(), m_caster.GetPositionZ(), origMaxRange))
                     return SpellCastResult.OutOfRange;
             }