Description of problem:

When user go to Satellite WebUI -> Content -> Subscriptions page and try to Export the CSV, it exports the pre-defined fixed set of data and not exactly what is listed on screen.

Version-Release number of selected component (if applicable): Satellite-6.13

How reproducible: Always

Steps to Reproduce:

1. Navigate to Satellite WebUI -> Content -> Subscriptions page.

2. Customize the columns accordingly that you wish to see on the screen.

3. Click on Export CSV button

Actual results: A fixed set of data is always exported irrespective of columns listed on screen.

Expected results: The data/columns listed on screen should get exported instead of fixed set of pre-defined data.

Additional info: The same behavior is observed for Satellite 6.12 too