The iFixIt replacement part did not come with adhesive, so I had to reuse the old adhesive that got pulled and torn during removal of the bad screen.
Also, the iFixIt replacement part does not come with the sleep/wake sensor (Step 39). Following my repair, the iPad is no longer capable of going to sleep (neither by the button on top nor through AssistiveTouch), so we have to resort to waiting for the lock screen timer to turn the screen off whenever we’re done using it. I feel the soldering that is required to maintain this functionality (I would imagine it would need a millimeter-diameter drop of solder on six contacts that are then pressed together with the transplanted part to form the bond without solder spilling onto a neighboring contact) is not within the capability of most casual repairers.
If I were to do this repair again, I would find a part that has fresh adhesive and the sleep/wake sensor already attached.