Update logic where postprocess_on and analysis_on is used

[singhd789]

Describe your changes

• Ensures postprocess_on and analysis_on are True by default if not explicitly set in the pp yaml (made an optional key)
• updates fre/list/list_pp_components_script
• updates fre/app/regrid_xy/regrid_xy.py
• update list_pp_component test
• update documentation: listtools.rst, pp_yaml.rst
• cleans up some other out-of date yaml structure

Issue ticket number and link (if applicable)

• Set default to postprocess_on and analysis_on #847
• don't want to close issue with this PR because there is another associated PR: Make postprocess_on: True the default in the workflow fre-workflows#228

Checklist before requesting a review

• I ran my code
• I tried to make my code readable
• I tried to comment my code
• I wrote a new test, if applicable
• I wrote new instructions/documentation, if applicable
• I ran pytest and inspected it's output
• I ran pylint and attempted to implement some of it's feedback
• No print statements; all user-facing info uses logging module

Note: If you are a code maintainer updating the tag or releasing a new fre-cli version, please use the release_procedure.md template. To quickly use this template, open a new pull request, choose your branch, and add ?template=release_procedure.md to the end of the url.

[singhd789]

Validation error related to this PR: NOAA-GFDL/gfdl_msd_schemas#50

[singhd789]

Note: I thiiiiiink these are all the places postprocess_on and analysis_on are used in the fre-cli (besides yaml files). Since the keys would be optional in the yaml files, it's still ok that the key is defined.

[ceblanton]

I can't believe we're doing so many relatively drastic changes.. this and the name changes together. We sure are bold!

This looks great and I think would pass also except for the case where the analysis yaml has no items.

[codecov]

Codecov Report

❌ Patch coverage is 63.15789% with 7 lines in your changes missing coverage. Please review.
✅ Project coverage is 84.14%. Comparing base (80ed3f1) to head (4792f03).
⚠️ Report is 9 commits behind head on main.

Files with missing lines	Patch %	Lines
fre/app/regrid_xy/regrid_xy.py	0.00%	4 Missing ⚠️
fre/pp/configure_script_yaml.py	83.33%	2 Missing ⚠️
fre/list_/list_pp_components_script.py	66.66%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #861   +/-   ##
=======================================
  Coverage   84.14%   84.14%           
=======================================
  Files          71       71           
  Lines        4975     4975           
=======================================
  Hits         4186     4186           
  Misses        789      789           

Flag	Coverage Δ
unittests	84.14% <63.15%> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
fre/list_/list_pp_components_script.py	95.65% <66.66%> (ø)
fre/pp/configure_script_yaml.py	89.74% <83.33%> (ø)
fre/app/regrid_xy/regrid_xy.py	13.70% <0.00%> (ø)

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[ceblanton]

Looks great. Thank you for the analysis tests (that I will touch in #868 and make sure still work)