The command field in the MANIFEST file should be used as the default command

[q962]

Checklist

• [x] I agree to follow the Code of Conduct that this project adheres to.
• [x] I have searched the issue tracker for a bug that matches the one I want to file, without success.

flatpak-builder version

1.4.4

Flatpak version

1.15.12

How to reproduce

No response

Expected Behavior

When I run the --run command, I want the value of the 'command' field to be the default command.

Actual Behavior

Currently the commands that need to be executed must be entered manually.

Additional Information

No response