Overlay resizing doesn't work for some applicatoins
(1) Issue/Bug Description: When going into window management mode, for some applications the overlay cannot be resized.
(2) Steps to reproduce (if you know): I couldn't resize for Slack (a snap application) and Whatsapp Web (a Chrome shortcut application). The windows can be resized normally (by dragging their borders)
(3) Expected behavior:
(4) Distribution (run cat /etc/os-release):
NAME="Ubuntu"
VERSION="20.04.4 LTS (Focal Fossa)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 20.04.4 LTS"
VERSION_ID="20.04"
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
VERSION_CODENAME=focal
UBUNTU_CODENAME=focal
(5) Gnome Shell version: GNOME Shell 3.36.9
(6) Pop Shell version (run apt policy pop-shell or provide the latest commit if building locally):
811201b37a6dafa51539f26cf7da029d4ccdbafb
(7) Where was Pop Shell installed from: locally
(8) Monitor Setup (2 x 1080p, 4K, Primary(Horizontal), Secondary(Vertical), etc): Thinkpad T14 monitor only
(9) Other Installed/Enabled Extensions: Desktop icons - enabled Material shell - disabled Ubuntu applications - enabled Ubntu dock - enabled
(note the issue remains even if the last two are disabled)
(10) Other Notes:
I don't know if related, but stacking mode (Super+s) doesn't seem to work either. Note that I searched all of gnomes binding (with gsettings list-recursively) and couldn't find any <Super>s