[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/gm_commands/setlsinfo.cpp

@@ -18,6 +18,7 @@ void command_setlsinfo(Client *c, const Seperator *sep)
 	strn0cpy(s->user_email, sep->arg[1], 100);
 	strn0cpy(s->userpassword, sep->arg[2], 50);
 	worldserver.SendPacket(pack);
+	safe_delete(pack);
 	c->Message(Chat::White, "Your email and local loginserver password have been set.");
 }