disable Wayland and enable Xorg display on Ubuntu

Objective - Disable Wayland and enable Xorg display server on Ubuntu 18.04 Bionic Beaver Linux
The default Ubuntu 18.04 Bionic Beaver installation comes with Wayland enabled. The objective is to disable Wayland and enable Xorg display server instead.
Operating System and Software Versions
Operating System: - Ubuntu 18.04 Bionic Beaver
Software: - GDM3
Requirements
Privileged access to is required to perform this configuration.
Difficulty
EASY
Conventions
# - requires given linux commands to be executed with root privileges either directly as a root user or by use of sudo command
$ - requires given linux commands to be executed as a regular non-privileged user
Instructions
Configure GDM3
As a privileged administrator user use your text editor to perform the following changes of the GDM3 custom configuration file /etc/gdm3/custom.conf.
FROM:
#WaylandEnable=false
TO:
WaylandEnable=false
By uncommenting the above line your system will use the Xorg display manager instead of Wayland next time it boots.
Reboot
Reboot your system to apply the changes.