IntracellularRecordingsTable: infer electrode

[bendichter]

infer electrode from response or stimulus

Motivation

fix #1597

Checklist

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[codecov]

Codecov Report

Merging #1598 (2f578d6) into dev (cf6759a) will decrease coverage by 0.02%.
The diff coverage is 85.71%.

@@            Coverage Diff             @@
##              dev    #1598      +/-   ##
==========================================
- Coverage   91.27%   91.25%   -0.03%     
==========================================
  Files          25       25              
  Lines        2510     2515       +5     
  Branches      474      477       +3     
==========================================
+ Hits         2291     2295       +4     
  Misses        139      139              
- Partials       80       81       +1     

Flag	Coverage Δ
integration	70.21% <14.28%> (-0.14%)	⬇️
unit	84.49% <85.71%> (-0.01%)	⬇️

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Impacted Files	Coverage Δ
src/pynwb/icephys.py	91.77% <85.71%> (-0.19%)	⬇️

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[oruebel]

I updated the test slightly to make sure the case were the electrode is determined from the response (instead of the stimulus) is also covered. Otherwise this looks good to me.

[oruebel]

@rly merging seems to be blocked due to the failing 3.10 test, but I don't think the error is related to this PR

[oruebel]

I synced the branch with dev, so that Python 3.10 tests should pass now. I'll merge once all checks have finished/passed.