Convert to a JAX array matching the order of param_names and unit_names.
Parameters:
param_names (list[str], optional) – A list of parameter names in the desired order. If None (default),
returns the array matching the canonical order of parameters.
unit_names (list[str], optional) – A list of unit names in the desired order. If None (default),
returns array for all units.
Returns:
A JAX array of shape (num_theta_idx, n_units, n_params).