Add Buff infrastructure to go through different logic paths from different patches (#5073)

utils/patches/patch_TOB.conf

@@ -178,7 +178,10 @@ OP_CastSpell=0x1d63
 OP_Consider=0x4568
 OP_FormattedMessage=0x29b4
 OP_SimpleMessage=0x5b2d
-OP_Buff=0x2427
+OP_BuffDefinition=0x2427
+OP_RefreshBuffs=0x754c
+OP_RefreshTargetBuffs=0x197f
+OP_RefreshPetBuffs=0x4f42
 OP_Illusion=0x7fb0
 OP_MoneyOnCorpse=0x6f63
 OP_RandomReply=0x1234
@@ -236,13 +239,11 @@ OP_TargetMouse=0x7f48
 OP_MobHealth=0x445e
 OP_InitialMobHealth=0x0000	# Unused?
 OP_TargetHoTT=0x0000
-OP_TargetBuffs=0x0000
 OP_XTargetResponse=0x0000
 OP_XTargetRequest=0x0000
 OP_XTargetAutoAddHaters=0x0000
 OP_XTargetOpen=0x0000
 OP_XTargetOpenResponse=0x0000
-OP_BuffCreate=0x754c
 OP_BuffRemoveRequest=0x0c06
 OP_DeleteSpawn=0x33fa
 OP_AutoAttack=0x3ced
@@ -310,7 +311,6 @@ OP_FindPersonRequest=0x0000
 OP_FindPersonReply=0x0000
 OP_Sound=0x5949
 OP_CashReward=0x3237
-OP_PetBuffWindow=0x0000
 OP_LevelAppearance=0x5eb5
 OP_Translocate=0x0611
 OP_Sacrifice=0x4b76