Display variable names for plugins at configure time

[Richasy]

Description

When adding a new plug-in step, it is supported to display the variable list of the step in the configuration interface.

This helps the user in variable control.

PR type

What is the purpose of this PR?

• Feature

What is the current behavior?

Do not display variable names in the configuration interface

What is the new behavior?

Display variable names for plugin steps in the configuration interface

PR checklist

Please check that your PR meets the following requirements:

• [x] App successfully launched
• [x] File headers have been added to all source files
• [x] NOT Contains breaking updates

Remark

If the Id is empty, it will be regarded as the default parameter and will not be displayed