Handle corpus rights and read-only access on worker version endpoints

Closes #619 (closed) and #620 (closed)

changed the description

requested review from @babadie

Codecov Report

Merging #1181 (038de4e6) into master (833fbeea) will increase coverage by 0.00%. The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master    #1181   +/-   ##
=======================================
  Coverage   88.17%   88.18%           
=======================================
  Files         253      253           
  Lines       16810    16820   +10     
=======================================
+ Hits        14822    14832   +10     
  Misses       1988     1988           

Impacted Files	Coverage Δ
arkindex/dataimport/api.py	99.25% <100.00%> (ø)
arkindex/dataimport/tests/test_workers.py	100.00% <100.00%> (ø)

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mentioned in commit 15b64d7a

merged