I must say I am a bit surprised that ADR’s for August 29th are still readily available. I just searched and was easily able to get a Fantasmic Package with Lunch at Mama Melrose.
Since ADR’s are usually among the last to be denied entry in phased closures, I would have thought those would have been all snapped up by now.
Probably because an ADR is not going to help you get into Galaxy’s Edge. Into DHS - sure. But into the land itself - you will be in a line for a very long time.
Unless of course they do have some kind of reservation system or virtual queue. But even so, being in the park won’t directly help you get into SW:GE.