This can be easily solved by setting up automatic login.
Set to automatic login during os initialization.
Set to automatic login after login.
Example: Jetson Nano 2GB, username: jetbot
cat /etc/gdm3/custom.conf
# GDM configuration storage
#
# See /usr/share/gdm/gdm.schemas for a list of available options.
[daemon]
AutomaticLoginEnable=true
AutomaticLogin=jetbot
# Uncoment the line below to force the login screen to use Xorg
WaylandEnable=false
# Enabling automatic login
# Enabling timed login
# TimedLoginEnable = true
# TimedLogin = user1
# TimedLoginDelay = 10
[security]
[xdmcp]
[chooser]
[debug]
# Uncomment the line below to turn on debugging
# More verbose logs
# Additionally lets the X server dump core if it crashes
#Enable=true