DB/ICC: fixed Blood Queen Lana'thel's movement data

closes #176

sql/updates/world/4.3.4/2020_08_24_04_world.sql

@@ -0,0 +1,2 @@
+UPDATE `creature_template_movement` SET `Ground`= 1, `Flight`= 0 WHERE `CreatureId` IN (37955, 38434, 38435, 38436);
+UPDATE `creature_template` SET `flags_extra`= `flags_extra` | 0x200 WHERE `entry` IN (37955, 38434, 38435, 38436);