keysight_m819x Bugfix for 'awg_segments' mode

[PJVetter]

Description

Motivation and Context

In line 1554: Bugfix to the 'awg_segments' option for M8195A. 'loaded_segments_id' contains integers not strings. I changed the condition accordingly.

In line 2183 & 2185: Changed the minimum and standard sample length according to the data sheet.

How Has This Been Tested?

I tested all changes on my setup and it works fine (AWG: M8195A).

Screenshots (only if appropriate, delete if not):

Types of changes

• [x ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist:

• [x ] My code follows the code style of this project.
• [ ] I have documented my changes in the changelog (documentation/changelog.md)
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [ ] I have added/updated for the module the config example in the docstring of the class accordingly.
• [x ] I have checked that the change does not contain obvious errors (syntax, indentation, mutable default values).
• [ ] I have tested my changes using 'Load all modules' on the default dummy configuration with my changes included.
• [ ] All changed Jupyter notebooks have been stripped of their output cells.