[Quest API] Add Buff Support to Perl/Lua (#4182)

* [Quest API] Add Buff Support to Perl/Lua

- Add `$mob->GetCasterID()`.
- Add `$mob->GetCasterLevel()`.
- Add `$mob->GetCasterName()`.
- Add `$mob->GetCastOnX()`.
- Add `$mob->GetCastOnY()`.
- Add `$mob->GetCastOnZ()`.
- Add `$mob->GetCounters()`.
- Add `$mob->GetDOTRune()`.
- Add `$mob->GetExtraDIChance()`.
- Add `$mob->GetInstrumentModi()`.
- Add `$mob->GetMagicRune()`.
- Add `$mob->GetMeleeRune()`.
- Add `$mob->GetNumberOfHits()`.
- Add `$mob->GetRootBreakChanc()`.
- Add `$mob->GetSpellID()`.
- Add `$mob->GetTicsRemaining()`.
- Add `$mob->GetVirusSpreadTim()`.
- Add `$mob->IsCasterClient()`.
- Add `$mob->IsPersistentBuff()`.
- Add `$mob->SendsClientUpdate()`.

- Add `mob:GetCasterID()`.
- Add `mob:GetCasterLevel()`.
- Add `mob:GetCasterName()`.
- Add `mob:GetCastOnX()`.
- Add `mob:GetCastOnY()`.
- Add `mob:GetCastOnZ()`.
- Add `mob:GetCounters()`.
- Add `mob:GetDOTRune()`.
- Add `mob:GetExtraDIChance()`.
- Add `mob:GetInstrumentModi()`.
- Add `mob:GetMagicRune()`.
- Add `mob:GetMeleeRune()`.
- Add `mob:GetNumberOfHits()`.
- Add `mob:GetRootBreakChanc()`.
- Add `mob:GetSpellID()`.
- Add `mob:GetTicsRemaining()`.
- Add `mob:GetVirusSpreadTim()`.
- Add `mob:IsCasterClient()`.
- Add `mob:IsPersistentBuff()`.
- Add `mob:SendsClientUpdate()`.

- Adds support for `Buffs_Struct` to Perl/Lua.
- Allows operators to read a mob's buff data directly to determine caster, melee rune, etc.

* Fix GetCasterID() to proper data type.

* Remove Lua_Buffs, return table instead.

* Cleanup

zone/CMakeLists.txt

@@ -51,6 +51,7 @@ SET(zone_sources
     loot.cpp
     lua_bot.cpp
     lua_bit.cpp
+    lua_buff.cpp
     lua_corpse.cpp
     lua_client.cpp
     lua_door.cpp
@@ -105,6 +106,7 @@ SET(zone_sources
     pathfinder_null.cpp
     pathing.cpp
     perl_bot.cpp
+    perl_buff.cpp
     perl_client.cpp
     perl_doors.cpp
     perl_entity.cpp
@@ -207,6 +209,7 @@ SET(zone_headers
     horse.h
     lua_bot.h
     lua_bit.h
+    lua_buff.h
     lua_client.h
     lua_corpse.h
     lua_door.h