fix(Scripts/ZulGurub): Massive Geyser should not attack players. (#11909)

Fixes #11563

data/sql/updates/pending_db_world/rev_1653824974575032300.sql

@@ -0,0 +1,5 @@
+--
+UPDATE `smart_scripts` SET `event_type`=60 WHERE `entryorguid`=14122 AND `source_type`=0 AND `id`=0;
+DELETE FROM `smart_scripts` WHERE `entryorguid`=14122 AND `source_type`=0 AND `id`=1;
+INSERT INTO `smart_scripts` VALUES
+(14122,0,1,0,54,0,100,0,0,0,0,0,0,8,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,'Hydrospawn - on summon - set passive react');

src/server/scripts/EasternKingdoms/ZulGurub/boss_gahzranka.cpp

@@ -29,7 +29,7 @@ EndScriptData */
 enum Spells
 {
     SPELL_FROSTBREATH               = 16099,
-    SPELL_MASSIVEGEYSER             = 22421, // Not working. (summon)
+    SPELL_MASSIVEGEYSER             = 22421,
     SPELL_SLAM                      = 24326
 };