Core/Creature: Use proper name for wander distance

sql/updates/world/4.3.4/2022_12_20_00_world.sql

@@ -0,0 +1,7 @@
+-- Use more appropriate name for distance used by random movement generator.
+ALTER TABLE `creature`
+	CHANGE COLUMN `spawndist` `wander_distance` FLOAT NOT NULL DEFAULT '0' AFTER `spawntimesecs`;
+
+-- Update name used by chat command.
+UPDATE `trinity_string` SET `content_default`='Wander distance changed to: %f' WHERE `entry`=297;
+UPDATE `command` SET `name`='npc set wanderdistance', `help`='Syntax: .npc set wanderdistance #dist\r\n\r\nAdjust wander distance of selected creature to dist.' WHERE `name`='npc set spawndist';