Fix namespace bug for hdmf-experimental types

[ehennestad]

Adds a workaround for a bug where neurodata types are incorrectly assigned the 'hdmf-experimental' namespace instead of 'hdmf-common'. If a MATLAB class does not exist for 'hdmf-experimental' but does for 'hdmf-common', the namespace and typename are corrected accordingly on read

See hdmf-dev/hdmf#1347 for details.

Motivation

Support read for files affected by the issue described above

How to test the behavior?

N/A

Checklist

• Have you ensured the PR description clearly describes the problem and solutions?
• Have you checked to ensure that there aren't other open or previously closed Pull Requests for the same change?
• If this PR fixes an issue, is the first line of the PR description fix #XX where XX is the issue number?

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 95.53%. Comparing base (08da374) to head (b75d457).
⚠️ Report is 22 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #779      +/-   ##
==========================================
+ Coverage   95.50%   95.53%   +0.02%     
==========================================
  Files         191      191              
  Lines        6922     6938      +16     
==========================================
+ Hits         6611     6628      +17     
+ Misses        311      310       -1     

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[bendichter]

why are all the tests failing?