If you want full control of Desktop back (or close to) then install & use something else to handle the Desktop.
One example - nemo
Code:
sudo apt install nemo
Code:
sudo apt purge gnome-shell-extension-desktop-icons
For local user only
Code:
gedit .config/autostart/nemo-autostart.desktop
For system wide
Code:
sudo -H gedit /etc/xdg/autostart/nemo-autostart.desktop
Insert this as contents of file, save, log out/in, becomes active 2 sec after login
Code:
[Desktop Entry]
Type=Application
Name=Nemo Desktop
Comment=Start Nemo desktop at log in
Exec=nemo-desktop
AutostartCondition=GSettings org.nemo.desktop show-desktop-icons
X-GNOME-AutoRestart=true
X-GNOME-Autostart-Delay=2
NoDisplay=false
To revert is obvious, remove from startup applications, purge nemo, autoremove, install that extension, log out/in
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