hook up meta in load_model_from_config

[svlandeg]

Description

Even though it was in the docstring, load_model_from_config wasn't taking in a meta argument, which meant that load_model_from_path wasn't using the input arg meta either.

Types of change

bug fix

Checklist

• I confirm that I have the right to submit this contribution under the project's MIT license.
• I ran the tests, and all new and existing tests passed.
• My changes don't require a change to the documentation, or if they do, I've added all required information.