With the bacta treatments done don’t think there will be any more extensive flashbacks, or they will change the narrative framing device for them. If they want to depict how Boba knew Cobb Vanth got his armor, they could have Boba meet Cobb in present time and then have a short flashback.
I also think Boba has some kind of retrograde amnesia from being hit on the head by a Jawa and the overall stressful situation he found himself into.