Add default call to metadata in BaseRecordingInterface add_to_nwb method.

[h-mayorquin]

As in the title.

Also, removed a deprecated option from the docstring.

[codecov]

Codecov Report

Attention: Patch coverage is 50.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 91.23%. Comparing base (b9507bf) to head (944477a).
Report is 97 commits behind head on main.

Files with missing lines	Patch %	Lines
...erfaces/ecephys/baserecordingextractorinterface.py	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1012      +/-   ##
==========================================
- Coverage   91.43%   91.23%   -0.20%     
==========================================
  Files         127      127              
  Lines        7540     7564      +24     
==========================================
+ Hits         6894     6901       +7     
- Misses        646      663      +17     

Flag	Coverage Δ
unittests	91.23% <50.00%> (-0.20%)	⬇️

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

Files with missing lines	Coverage Δ
...erfaces/ecephys/baserecordingextractorinterface.py	95.87% <50.00%> (-0.97%)	⬇️

... and 1 file with indirect coverage changes