Branches based on devel FTBFS since webext-ublock-origin 1.19.0 reached sid

Feature Branch: bugfix/16858-ftbfs-ublock-1.19+force-all-tests, torbrowser-launcher:bugfix/16858-ftbfs-ublock-1.19

Original created by @intrigeri on 16858 (Redmine)

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information