Core/Misc: Add permission that allows player to be AFK on the battleground.

(cherry picked from commit 554fc8eee0bcbb70acd012c04f6f02197c6d949c)

sql/base/auth_database.sql

@@ -2292,6 +2292,7 @@ INSERT INTO `rbac_linked_permissions` VALUES
 (192,854),
 (193,48),
 (193,52),
+(193,53),
 (193,194),
 (193,197),
 (194,1),
@@ -3008,6 +3009,7 @@ INSERT INTO `rbac_permissions` VALUES
 (50,'Allow user to check his own email with .account'),
 (51,'Allow trading between factions'),
 (52,'No battleground deserter debuff'),
+(53,'Can be AFK on the battleground'),
 (192,'Role: Sec Level Administrator'),
 (193,'Role: Sec Level Gamemaster'),
 (194,'Role: Sec Level Moderator'),
@@ -4120,6 +4122,7 @@ INSERT INTO `updates` VALUES
 ('2023_12_26_00_auth.sql','5C8716F7F6E2792E15A42BDA8F2D855A7DE95FC5','ARCHIVED','2023-12-26 13:38:58',0),
 ('2024_01_05_00_auth.sql','7F401D473B08BBE5212551E96A86F85107CE7C8E','ARCHIVED','2023-12-19 10:05:39',0),
 ('2024_01_06_00_auth.sql','767D697594D5471B67CC0FDF0D7BB15374116A71','RELEASED','2024-01-06 09:53:51',0),
+('2024_01_06_01_auth.sql','3D9E0A906A357877DB8E7B72E0797AB38EF884BC','RELEASED','2024-01-06 11:33:07',0),
 ('2024_01_10_00_auth.sql','75F06894D95986AEAB2933F141DB7693FABB0324','ARCHIVED','2024-01-10 11:14:55',0),
 ('2024_01_21_00_auth.sql','5F12B88EAADC5390AD42843290BD13CEF3BF2E0B','ARCHIVED','2024-01-21 21:21:50',0),
 ('2024_01_23_00_auth.sql','55E3C2CC1FAF02916EB47711CD2278443F7AA183','ARCHIVED','2024-01-23 09:40:35',0),

sql/updates/auth/master/2024_01_06_01_auth.sql

@@ -0,0 +1,7 @@
+--
+DELETE FROM `rbac_permissions` WHERE `id` = 53;
+INSERT INTO `rbac_permissions` (`id`, `name`) VALUES (53, "Can be AFK on the battleground");
+
+DELETE FROM `rbac_linked_permissions` WHERE `linkedId` = 53;
+INSERT INTO `rbac_linked_permissions` (`id`, `linkedId`) VALUES
+(193, 53);

src/server/game/Accounts/RBAC.h

@@ -103,6 +103,7 @@ enum RBACPermissions
     RBAC_PERM_MAY_CHECK_OWN_EMAIL                            = 50,
     RBAC_PERM_ALLOW_TWO_SIDE_TRADE                           = 51,
     RBAC_PERM_NO_BATTLEGROUND_DESERTER_DEBUFF                = 52,
+    RBAC_PERM_CAN_AFK_ON_BATTLEGROUND                        = 53,
 
     // Free space for core permissions (till 149)
     // Roles (Permissions with delegated permissions) use 199 and descending

src/server/game/Entities/Player/Player.cpp

@@ -1192,7 +1192,7 @@ void Player::ToggleAFK()
         SetPlayerFlag(PLAYER_FLAGS_AFK);
 
     // afk player not allowed in battleground
-    if (!IsGameMaster() && isAFK() && InBattleground() && !InArena())
+    if (!GetSession()->HasPermission(rbac::RBAC_PERM_CAN_AFK_ON_BATTLEGROUND) && isAFK() && InBattleground() && !InArena())
         LeaveBattleground();
 }