Let's say I have a 290 exotic weapon, but favor another 285 legendary weapon. In basic terms, I could infuse a 290 weapon into the 285 and end up with a 289 weapon. If the higher level weapon is an exotic, is there any other benefit or gain to infusing it into the lower weapon? For example, does it yield an exotic shard in addition to infusing the other weapon? Or do all the materials, marks, shard, etc that the exotic could have yielded get lost during infusion? (i.e. is it no different than infusing a blue 290 into the 285 weapon?)