mate-panel --run-dialog: Add a command line option for execution

[davidhedlund]

Expected behaviour

man mate-terminal
       -x, --execute
              Execute the remainder of the command line inside the terminal

I request the -x option to be added to mate-panel --run-dialog

Useful case, configure mate-terminal and then launch mate-terminal with the new settings:
mate-panel --run-dialog -x gsettings set org.mate.terminal.profile:/org/mate/terminal/profiles/default/ use-system-font true && gsettings set org.mate.terminal.profile:/org/mate/terminal/profiles/default/ font 'Monospace Regular 12' && mate-terminal

• [Feature request]: Reload the settings when they are applied from the interactive shell like gnome-terminal mate-terminal#439

Actual behaviour

There are no options to execute a given command.

Steps to reproduce the behaviour

• man mate-panel --run-dialog

MATE general version

1.26.0

Package version

1.26.2

Linux Distribution

Ubuntu MATE 22.04

Link to bugreport of your Distribution (requirement)

Not applicable as this is a feature request