Update lograge/patcher.rb so that the correct logger is checked

[esposito]

What does this PR do?
In this PR I make sure that when the Lograge logger is present, it is checked instead of the Rails logger for showing a warning about tagged logging.

Motivation:
When the lograge keep_original_rails_log option is used, the lograge logger cannot be found in ::Lograge::LogSubscribers::ActionController, as the existing actioncontroller log subscriber is never removed. Therefore the warning in lograge/patcher.rb is shown even when lograge does use a plain logger.

Change log entry
Hide the warning about tagged logging when Lograge uses a plain logger and keep_original_rails_log is enabled.

Additional Notes:

How to test the change?
The change should be covered by the tests. If you want to test it manually, enable the Lograge keep_original_rails_log config option, keep the default Rails logger but use a plain logger in the lograge config. Now there should no longer be an error about tagged logging.

[marcotc]

Awesome work!

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.68%. Comparing base (bba20bf) to head (acc11dc).
Report is 175 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4496      +/-   ##
==========================================
- Coverage   97.70%   97.68%   -0.02%     
==========================================
  Files        1381     1381              
  Lines       83954    83970      +16     
  Branches     4253     4254       +1     
==========================================
+ Hits        82025    82027       +2     
- Misses       1929     1943      +14     

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[MathijsK93]

Are there any updates on the release of this?