Extend Eligible Nodes for ConfigSelectorMethod to include Saved Query Nodes

[trouze]

Resolves #11607

Problem

Today, our ConfigSelectorMethod supports selection from parsed and source nodes only.

As an example, you can do this dbt ls -s config.meta.contains_pii:true, but this command won't return any semantic layer saved queries that have this meta key in the config, despite us using configs for other purposes (as documented).

Solution

This PR changes the nodes used by the ConfigSelectorMethod to use all_nodes method instead of configurable_nodes. It's the case that all_nodes in that method are actually configurable.

configurable_nodes method was only used in the ConfigSelectorMethod, so this change renders the method unused so we can remove it.

Checklist

• I have read the contributing guide and understand what's expected of me.
• I have run this code in development, and it appears to resolve the stated issue.
• This PR includes tests, or tests are not required or relevant for this PR.
• This PR has no interface changes (e.g., macros, CLI, logs, JSON artifacts, config files, adapter interface, etc.) or this PR has already received feedback and approval from Product or DX.
• This PR includes type annotations for new and modified functions.

[github-actions]

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.93%. Comparing base (f1106ad) to head (3b12a36).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #11635      +/-   ##
==========================================
- Coverage   91.90%   89.93%   -1.98%     
==========================================
  Files         199      199              
  Lines       24363    24380      +17     
==========================================
- Hits        22390    21925     -465     
- Misses       1973     2455     +482     

Flag	Coverage Δ
integration	86.18% <100.00%> (-2.66%)	⬇️
unit	65.29% <100.00%> (+0.03%)	⬆️

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Components	Coverage Δ
Unit Tests	65.29% <100.00%> (+0.03%)	⬆️
Integration Tests	86.18% <100.00%> (-2.66%)	⬇️

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[dosubot]

Related Documentation
0 document(s) may need updating based on files changed in this PR

^{How did I do? Any feedback?}  

[QMalcolm]

❤️ This looks great! One thing though, we should add some tests! I think the most appropriate place would be to add them to tests/functional/selectors/

[trouze]

@QMalcolm added some unit & functional tests!

[QMalcolm]

Amazing, thank you so much!