Fix procced/triggered spells updating combat

// No spell with SPELL_ATTR3_NO_INITIAL_AGGRO or
SPELL_ATTR4_FIXED_DAMAGE trigger combat.
// Of spells with SPELL_ATTR4_TRIGGERED only spells that also have
SPELL_ATTR3_TRIGGERED_CAN_TRIGGER_PROC_2 or
SPELL_ATTR2_TRIGGERED_CAN_TRIGGER_PROC or both trigger combat.
// Of spells with SPELL_ATTR3_IGNORE_HIT_RESULT only spells with
SPELL_ATTR0_NOT_SHAPESHIFT trigger combat.