refactor(Core/CreatureAI): Turn hardcoded entries into flagsExtra (#8189)

data/sql/updates/pending_db_world/rev_1631986343234423300.sql

@@ -0,0 +1,27 @@
+INSERT INTO `version_db_world` (`sql_rev`) VALUES ('1631986343234423300');
+
+UPDATE `creature_template` SET `flags_extra`=`flags_extra`|0x80000000 WHERE `entry` IN (
+28684, /* Krik'thir the Gatewatcher */
+36502, /* Devourer of Souls */
+36658, /* Scourgelord Tyrannus */
+32871, /* Algalon */
+39863, /* Halion */
+33186, /* Razorscale */
+36626, /* Festergut */
+32867, /* Steelbreaker - Assembly of Iron */
+32927, /* Runemaster Molgeim - Assembly of Iron */
+32857, /* Stormcaller Brundir - Assembly of Iron */
+33350, /* Mimiron */
+16060, /* Gothik the Harvester */
+36678, /* Professor Putricide */
+15990, /* Kel'Thuzad */
+33993, /* Emalon the Storm Watcher */
+17257, /* Magtheridon */
+25315, /* Kil'jaeden */
+15928, /* Thaddius */
+32930, /* Kologarn */
+32906, /* Freya */
+36597, /* The Lich King */
+36853, /* Sindragosa */
+36855, /* Lady Deathwhisper */
+37955 /* Blood-Queen Lana'thel */);