[12387] Implement SPELL_ATTR_EX2_IGNORE_LOS and SPELL_ATTR_EX_CANT_REFLECTED

SPELL_ATTR_EX_CANT_REFLECTED (now AttributesEx 0x08) moved from AttributesEx2 0x04,
SPELL_ATTR_EX2_IGNORE_LOS implemented at AttributesEx2 0x04

(based on commit [12277] - 8953e34)