Core/Players: Add PlayerExtraFlags for tracking race change, level boost, and raf level grant usage

Port From (https://github.com/TrinityCore/TrinityCore/commit/c2751f9195959a199413e332d2b595a60e4a6d35)

Source/Framework/Constants/PlayerConst.cs

@@ -602,6 +602,7 @@ namespace Framework.Constants
         VengefulGladiator = 0x0000010000000000, // 40
     }
 
+    [Flags]
     public enum PlayerExtraFlags
     {
         // gm abilities
@@ -612,7 +613,12 @@ namespace Framework.Constants
         GMChat = 0x20,               // Show GM badge in chat messages
 
         // other states
-        PVPDeath = 0x100                // store PvP death status until corpse creating.
+        PVPDeath = 0x100,            // store PvP death status until corpse creating.
+
+        // Character services markers
+        HasRaceChanged = 0x0200,
+        GrantedLevelsFromRaf = 0x0400,
+        LevelBoosted = 0x0800
     }
 
     public enum EquipmentSetUpdateState

Source/Framework/Database/Databases/CharacterDatabase.cs

@@ -591,7 +591,7 @@ namespace Framework.Database
             PrepareStatement(CharStatements.DEL_PETITION_SIGNATURE_BY_GUID, "DELETE FROM petition_sign WHERE petitionguid = ?");
             PrepareStatement(CharStatements.DEL_CHAR_DECLINED_NAME, "DELETE FROM character_declinedname WHERE guid = ?");
             PrepareStatement(CharStatements.INS_CHAR_DECLINED_NAME, "INSERT INTO character_declinedname (guid, genitive, dative, accusative, instrumental, prepositional) VALUES (?, ?, ?, ?, ?, ?)");
-            PrepareStatement(CharStatements.UPD_CHAR_RACE, "UPDATE characters SET race = ? WHERE guid = ?");
+            PrepareStatement(CharStatements.UPD_CHAR_RACE, "UPDATE characters SET race = ?, extra_flags = extra_flags | ? WHERE guid = ?");
             PrepareStatement(CharStatements.DEL_CHAR_SKILL_LANGUAGES, "DELETE FROM character_skills WHERE skill IN (98, 113, 759, 111, 313, 109, 115, 315, 673, 137) AND guid = ?");
             PrepareStatement(CharStatements.INS_CHAR_SKILL_LANGUAGE, "INSERT INTO `character_skills` (guid, skill, value, max) VALUES (?, ?, 300, 300)");
             PrepareStatement(CharStatements.UPD_CHAR_TAXI_PATH, "UPDATE characters SET taxi_path = '' WHERE guid = ?");