there's a few steps you skipped on the bubble. Like cleaning the trichomes with a pump sprayer. Drying the patty for 12-24 hours. Then freeze for 2 hours. Then microplane over parchment. Then dry for a week. Then cure. Then you can make rosin.
if you plan on making dry sift for rosin pr dry material for bubble.. Make sure to cure your trim / buds for 3 months minimum so the terpenes polymerize.