fix(Core/Spells): Fix proc phase ordering CAST before HIT for instant spells (#24942)

Co-authored-by: blinkysc <blinkysc@users.noreply.github.com>
Co-authored-by: Shauren <297439+Shauren@users.noreply.github.com>

data/sql/updates/pending_db_world/rev_1772310582393914812.sql

@@ -0,0 +1,4 @@
+-- Fingers of Frost buff: change SpellPhaseMask from 3 (CAST|HIT) to 1 (CAST only).
+-- With !IsTriggered() removed from CAST proc blocks, triggered spells now fire
+-- CAST procs, so HIT phase is no longer needed for triggered spell consumption.
+UPDATE `spell_proc` SET `SpellPhaseMask` = 1 WHERE `SpellId` = 74396;