Hotfix display

[rcooke-ast]

Simple hotfix that deals with the case when trc_name is not set

[codecov-commenter]

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Codecov Report

Attention: Patch coverage is 0% with 3 lines in your changes missing coverage. Please review.

Project coverage is 38.22%. Comparing base (c2dca65) to head (844c2a8).

Files	Patch %	Lines
pypeit/display/display.py	0.00%	2 Missing ⚠️
pypeit/alignframe.py	0.00%	1 Missing ⚠️

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Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1837      +/-   ##
===========================================
- Coverage    38.22%   38.22%   -0.01%     
===========================================
  Files          208      208              
  Lines        48357    48358       +1     
===========================================
- Hits         18486    18483       -3     
- Misses       29871    29875       +4     

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[kbwestfall]

Look good! Please add a change comment in the docs.

[rcooke-ast]

Good call - done!