Core/Auras: Don't save liquid auras

Port From (https://github.com/TrinityCore/TrinityCore/commit/2bea816bbec6ba9d50f7bd6725806e81c6cafaae)

Source/Framework/Constants/Spells/SpellConst.cs

@@ -2078,7 +2078,7 @@ namespace Framework.Constants
         NeedsAmmoData = 0x80000,
         BinarySpell = 0x100000,
         SchoolmaskNormalWithMagic = 0x200000,
-        LiquidAura = 0x400000,
+        DeprecatedLiquidAura = 0x400000,
         IsTalent = 0x800000,
         AuraCannotBeSaved = 0x1000000
     }

Source/Game/Entities/Object/WorldObject.cs

@@ -3169,7 +3169,7 @@ namespace Game.Entities
 
                     float hoverDelta = myHover - searcherHover;
                     if (hoverDelta != 0.0f)
-                        effectiveReach = MathF.Sqrt(effectiveReach * effectiveReach - hoverDelta * hoverDelta);
+                        effectiveReach = MathF.Sqrt(Math.Max(effectiveReach * effectiveReach - hoverDelta * hoverDelta, 0.0f));
                 }
             }
 

Source/Game/Movement/Generators/TargetMovement.cs

@@ -141,7 +141,6 @@ namespace Game.Movement
             float x, y, z;
             if (updateDestination || _path == null)
             {
-                float hoverDiff = Math.Abs(owner.GetHoverOffset() - GetTarget().GetHoverOffset());
                 if (_offset == 0)
                 {
                     if (GetTarget().IsWithinDistInMap(owner, SharedConst.ContactDistance))

Source/Game/Spells/SpellManager.cs

@@ -2905,7 +2905,15 @@ namespace Game.Entities
                         spellInfo.AttributesCu &= ~SpellCustomAttributes.CanCrit;
             }
 
-            Log.outInfo(LogFilter.ServerLoading, "Loaded spell custom attributes in {0} ms", Time.GetMSTimeDiffToNow(oldMSTime));
+            // add custom attribute to liquid auras
+            foreach (var liquid in CliDB.LiquidTypeStorage.Values)
+            {
+                if (liquid.SpellID != 0)
+                    foreach (SpellInfo spellInfo in _GetSpellInfo(liquid.SpellID))
+                        spellInfo.AttributesCu |= SpellCustomAttributes.AuraCannotBeSaved;
+            }
+
+            Log.outInfo(LogFilter.ServerLoading, "Loaded SpellInfo custom attributes in {0} ms", Time.GetMSTimeDiffToNow(oldMSTime));
         }
 
         void ApplySpellFix(int[] spellIds, Action<SpellInfo> fix)