Fix #9119: Get sources working again in dbt docs generate

[aranke]

resolves #9119

Problem

dbt docs generate doesn't write out sources

Solution

Modify dbt docs generate to write out sources

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/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

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (32fde75) 86.60% compared to head (201d75b) 86.60%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #9159      +/-   ##
==========================================
- Coverage   86.60%   86.60%   -0.01%     
==========================================
  Files         179      179              
  Lines       26598    26600       +2     
==========================================
+ Hits        23036    23037       +1     
- Misses       3562     3563       +1     

Flag	Coverage Δ
integration	83.47% <100.00%> (+0.02%)	⬆️
unit	65.00% <0.00%> (-0.01%)	⬇️

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[aranke]

@graciegoheen @jtcohen6

I've fixed the regression for #9119 in this PR so that I can proceed with releasing v1.7.3 tomorrow.

However, there is still an issue where selectors aren't working correctly for entities that are not models (confirmed behavior with seeds and sources).
I'm thinking of creating a backlog ticket to address this scenario, does that work?

[aranke]

Created a backlog ticket to fix selectors in dbt docs generate more broadly: #9161

[graciegoheen]

That works thanks @aranke

[tallamohan]

Hay @aranke , When can we expect the next release with this fix?

[aranke]

@tallamohan It's part of the dbt-core 1.7.3 release!

https://github.com/dbt-labs/dbt-core/releases/tag/v1.7.3