Fix fields indentified with TR8_enhanced in the atmos_phys repo

### What happened?

- Uncomment out the two sections in TR8_enhanced which run it on atmos_phys
- Address the issues it finds, and bring in the new atmos_phys tag

### What are the steps to reproduce the bug?

Uncomment the atmos_phys sectioni in TR8_enhanced.sh

### What CAM tag were you using?

cam6_4_198

### What machine were you running CAM on?

CISL machine (e.g. derecho)

### What compiler were you using?

Intel

### Path to a case directory, if applicable

_No response_

### Will you be addressing this bug yourself?

Yes

### Extra info

_No response_