[Zone] Implement zone player count sharding (#4536)

* [Zone] Implement zone player count sharding

* Update client.cpp

* Update database_instances.cpp

* You must request a shard change from the zone you are currently in.

* // zone sharding

* You cannot request a shard change while in combat.

* Query adjustment

* Use safe coords

* Changes

* Fixes to instance query

* Push

* Push

* Final push

* Update client.cpp

* Update eq_packet_structs.h

* Remove pick menu

* Comment

* Update character_data_repository.h

* Update zoning.cpp

---------

Co-authored-by: Kinglykrab <kinglykrab@gmail.com>

utils/patches/patch_RoF2.conf

@@ -566,7 +566,7 @@ OP_RaidUpdate=0x3973
 OP_RaidJoin=0x0000
 OP_RaidDelegateAbility=0x2b33
 OP_MarkRaidNPC=0x5a58
-OP_RaidClearNPCMarks=0x20d3							 
+OP_RaidClearNPCMarks=0x20d3
 
 # Button-push commands
 OP_Taunt=0x2703
@@ -728,3 +728,6 @@ OP_InitialHPUpdate=0x0000
 #aura related
 OP_UpdateAura=0x1456
 OP_RemoveTrap=0x71da
+
+OP_PickZoneWindow=0x72d8
+OP_PickZone=0xaaba