Fix: Closing bottom sheet and removing FAB cause assertion failure (#128566)

Fixes #128562
https://dart.googlesource.com/external/github.com/flutter/flutter/+/0da8012cc77d203cd30eff4eaff7d26a932cdf16
1 file changed
tree: 272d9a601e00a5a15721126b8934f7133df31381
  1. commits.json