Scripts/BWD: several fixups for Maloriak's encounter

* Consuming Flames will now increase the periodic damage when taking damage
* Scorching Blast will now be cast on correct targets
* remove a wrongly assigned spell script name that was causing runtime errors log messages

src/server/scripts/EasternKingdoms/BlackrockMountain/BlackwingDescent/boss_maloriak.cpp

@@ -518,7 +518,7 @@ struct boss_maloriak : public BossAI
                     events.Repeat(14s + 500ms);
                     break;
                 case EVENT_SCORCHING_BLAST:
-                    DoCastSelf(SPELL_SCORCHING_BLAST);
+                    DoCastVictim(SPELL_SCORCHING_BLAST);
                     events.Repeat(17s);
                     break;
                 case EVENT_BITING_CHILL: