fix(Core/Arena): flying upon arrival in arena if joining on flying mount (#23440)

src/server/game/Battlegrounds/Battleground.cpp

@@ -1178,16 +1178,19 @@ void Battleground::AddPlayer(Player* player)
     sBattlegroundMgr->BuildPlayerJoinedBattlegroundPacket(&data, player);
     SendPacketToTeam(teamId, &data, player, false);
 
-    player->RemoveAurasByType(SPELL_AURA_MOUNTED);
-
     // add arena specific auras
     if (isArena())
     {
         // restore pets health before remove
-        if (Pet* pet = player->GetPet())
+        Pet* pet = player->GetPet();
+        if (pet)
             if (pet->IsAlive())
                 pet->SetHealth(pet->GetMaxHealth());
 
+        player->RemoveArenaAuras();
+        if (pet)
+            pet->RemoveArenaAuras();
+        player->RemoveArenaSpellCooldowns(true);
         player->RemoveArenaEnchantments(TEMP_ENCHANTMENT_SLOT);
         player->DestroyConjuredItems(true);
         player->UnsummonPetTemporaryIfAny();

src/server/game/Entities/Player/Player.cpp

@@ -1533,17 +1533,6 @@ bool Player::TeleportTo(uint32 mapid, float x, float y, float z, float orientati
 
             CombatStop();
 
-            // remove arena spell coldowns/buffs now to also remove pet's cooldowns before it's temporarily unsummoned
-            if (mEntry->IsBattleArena() && (HasPendingSpectatorForBG(0) || !HasPendingSpectatorForBG(GetBattlegroundId())))
-            {
-                // KEEP THIS ORDER!
-                RemoveArenaAuras();
-                if (pet)
-                    pet->RemoveArenaAuras();
-
-                RemoveArenaSpellCooldowns(true);
-            }
-
             // remove pet on map change
             if (pet)
                 UnsummonPetTemporaryIfAny();