Scripts/Commands: New command ".go instance". Goes to an instance.

Port From (https://github.com/TrinityCore/TrinityCore/commit/82ecd32d9c63a22fe2f2076ce35b33cf2db53fd8)

sql/updates/auth/master/2018_08_30_00_auth.sql

@@ -0,0 +1,9 @@
+-- 
+DELETE FROM `rbac_permissions` WHERE `id`=874;
+INSERT INTO `rbac_permissions` (`id`,`name`) VALUES
+(874, "Command: go instance");
+
+SET @parent := (SELECT `id` FROM `rbac_linked_permissions` WHERE `linkedId`=852);
+DELETE FROM `rbac_linked_permissions` WHERE `linkedId`=874;
+INSERT INTO `rbac_linked_permissions` (`id`,`linkedId`) VALUES
+(@parent, 874);

sql/updates/world/master/2021_10_23_05_world_2018_08_30_02_world.sql

@@ -0,0 +1,6 @@
+-- 
+DELETE FROM `command` WHERE `name`="go instance";
+INSERT INTO `command` (`name`,`permission`,`help`) VALUES
+('go instance', 874, 'Syntax: .go instance [mapid | name]
+
+Teleports you to entrance of instance with script name matching input (or given mapid)');