ENH: tmo spectrometer uses TMO:SPEC as happi prefix

[nrwslac]

Description

change flow meter PV name to match TMO-Motion Spectrometer style: - {attribute 'pytmc' :='pv: SP1K4'} + {attribute 'pytmc' :='pv: TMO:SPEC'}

Motivation and Context

How Has This Been Tested?

Where Has This Been Documented?

Screenshots (if appropriate):

Pre-merge checklist

• [ ] Code works interactively
• [ ] Code contains descriptive comments
• [ ] Test suite passes locally
• [ ] Libraries are set to fixed versions and not Always Newest
• [ ] Code committed with pre-commit (alternatively pre-commit run --all-files)

[nrwslac]

Closed, changes made in #133