Read Particle Properties for Constellations

# Feature
## Desired behavior

With #99 regular satellites / debris each get individual mass, radius, activityState. Constellation objects are still parsed in the old way via two csv one for positions, one for velocities.

## What needs to be done
### Option 1
Switch all constellation input over to new format.
**Pro:** We can use one input function for everything
**Con:** Might be a lot of work? But should be scriptable...

### Option 2
Extend the old format and somehow add the information in another place.
**Pro:** Probably less invasive.
**Con:** This can get ugly since we have to support multiple types of input.

## How it can be tested
Compare to old simulations

No source files, tests, or entry points are named. Compare the current two-CSV constellation input with the format introduced for regular satellites and debris in #99, then evaluate the two proposed input approaches. Done means constellation objects provide individual mass, radius, and activityState while old simulations remain comparable.

Written by the indexing model from the issue text.