add config option for inverse map in TrialAsTask

[sdaulton]

Summary: If the trial_level_map maps multiple trial indices to a single value, then it is convenient to be able to specify which trial index a given value should be mapped back to.

Differential Revision: D52706600

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This pull request was exported from Phabricator. Differential Revision: D52706600

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Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (15d3122) 94.80% compared to head (4483b6d) 94.80%.

:exclamation: Current head 4483b6d differs from pull request most recent head 72bed0e. Consider uploading reports for the commit 72bed0e to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2128   +/-   ##
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  Coverage   94.80%   94.80%           
=======================================
  Files         460      460           
  Lines       45413    45444   +31     
=======================================
+ Hits        43052    43083   +31     
  Misses       2361     2361           

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This pull request was exported from Phabricator. Differential Revision: D52706600