Core/Spells: Validate spell_proc.AttributesMask on startup

Port From (https://github.com/TrinityCore/TrinityCore/commit/415aaae7f2fa3a5e09a51b0355120bf4138cde41)

Source/Framework/Constants/Spells/SpellConst.cs

@@ -2540,7 +2540,9 @@ namespace Framework.Constants
         ReqPowerCost = 0x04, // requires triggering spell to have a power cost for aura proc
         ReqSpellmod = 0x08,  // requires triggering spell to be affected by proccing aura to drop charges
         UseStacksForCharges = 0x10, // consuming proc drops a stack from proccing aura instead of charge
-        ReduceProc60 = 0x80  // aura should have a reduced chance to proc if level of proc Actor > 60
+        ReduceProc60 = 0x80,  // aura should have a reduced chance to proc if level of proc Actor > 60
+
+        AllAllowed = ReqExpOrHonor | TriggeredCanProc | ReqPowerCost | ReqSpellmod | UseStacksForCharges | ReduceProc60
     }
 
     // Spell aura states

Source/Game/Spells/SpellManager.cs

@@ -1431,6 +1431,11 @@ namespace Game.Entities
                             if (!found)
                                 Log.outError(LogFilter.Sql, $"The `spell_proc` table entry for spellId {spellInfo.Id} has Attribute PROC_ATTR_REQ_SPELLMOD, but spell has no spell mods. Proc will not be triggered");
                         }
+                        if ((procEntry.AttributesMask & ~ProcAttributes.AllAllowed) != 0)
+                        {
+                            Log.outError(LogFilter.Sql, $"The `spell_proc` table entry for spellId {spellInfo.Id} has `AttributesMask` value specifying invalid attributes 0x{procEntry.AttributesMask & ~ProcAttributes.AllAllowed:X2}.");
+                            procEntry.AttributesMask &= ProcAttributes.AllAllowed;
+                        }
 
                         mSpellProcMap.Add((spellInfo.Id, spellInfo.Difficulty), procEntry);
                         ++count;