Verified on gnome-shell-extension-gesture-inhibitor-3.32.1-15.el8_4.noarch.rpm using the following steps:
1. Install above rpm.
2. Install https://www.flathub.org/apps/details/org.gnome.Extensions
3. Enable the Gesture Inhibitor extension using the above app.
4. In a terminal: $ gsettings set org.gnome.shell.extensions.gesture-inhibitor show-app-grid false
5. Swipe in from the left edge of the screen with either touchscreen or mouse click.
Using both a touchscreen and mouse click, the "drag reveals tray" feature is disabled from the above steps.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory (gnome-shell-extensions bug fix and enhancement update), and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHEA-2021:3077