“... has promised he would stand firm and not bring a standalone bill to reauthorize the bank ...”
Notice what he did there? In other words, he will allow it to come up for vote on a non-standalone bill.
Yup. I saw that too.
He won't allow it as a standalone bill, because he wants to protect the crony capitalists from having to actually go on record against it. There will eventually be some parliamentary maneuver made, that will miraculously pass with one or two votes, and it will be attached to a "must pass" bill.