I am having this issue on Ubuntu 24.04 Unity (X11) using snap based Firefox or Thunderbird. Just wanted to let you know that the following workaround fixed it for me:
CompizConfig Settings Manager: [General] General Options -> Focus & Raise Behaviour -> Focus Prevention Level: Off -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1949340 Title: [upstream] Saving downloads or pages is difficult because of unfocused file chooser dialog To manage notifications about this bug go to: https://bugs.launchpad.net/firefox/+bug/1949340/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
