Minor updates for state level runs

[trevorb1]

Changes proposed in this Pull Request

Just small errors that come up when running state level runs.

• Fix in temperature and clustered pop layouts for single node models
• Demand filtering for single states fix
• Assigns sector bus states based on the reeds_state column now. There were mismatches before (for example in maryland).

Checklist

• [ ] I tested my contribution locally and it seems to work fine.
• [ ] Code and workflow changes are sufficiently documented.
• [ ] Changed dependencies are added to envs/environment.yaml.
• [ ] Changes in configuration options are added in all of config.default.yaml.
• [ ] Changes in configuration options are also documented in doc/configtables/*.csv.