[Bug Fix] Fix miscellaneous memory leaks related to EQApplicationPacket and it's pBuffer (#2262)

* Delete EQApplicationPacket after use

* Correct issue where Creating EQApplicationPackets in zone/mob.cpp may not free pBuffer[]

* Handle freeing pBuffer[] if exists in zone/mob.cpp Create*Packet functions

* Handle freeing pBuffer[] in zone/object.cpp Create*Packet methods

* Delete leaked outapp variables in zone/trading.cpp

* Make CreateHorseSpawnPacket() safer by freeing pBuffer[] before replacing with new[]

* Prevent initial new ServerPacket from being leaked in command_reload

* Free pack after sending in command_setlsinfo

* Delete new NPC in command_viewnpctype after printing stats

* Fix compile error

* Delete EQApplicationPacket after sending in command_kick

* Remove unneeded safe_delete(outapp) after FastQueuePacket and fix minor whitespace issue

* Delete packet after sending in WorldServer::SendReloadTasks

* Cleanup logic and free leaked NPCType in Client::Doppelganger

* Free RespawnOption in Client::HandleRespawnFromHover in 'unexpected rez from hover request' branch

* Free EQApplicationPacket after sending in Bot::ProcessBotInspectionRequest

* Free Bot when returning from failed Bot::Save() in helper_bot_create()

* Initialize variable to nullptr to prevent garbage initial value

* Undo change in other PR

zone/client_process.cpp

@@ -2053,6 +2053,7 @@ void Client::HandleRespawnFromHover(uint32 Option)
 			if (PendingRezzXP < 0 || PendingRezzSpellID == 0)
 			{
 				LogSpells("Unexpected Rezz from hover request");
+				safe_delete(default_to_bind);
 				return;
 			}
 			SetHP(GetMaxHP() / 5);