Jkmarx/details owner name bug

[jkmarx]

• Fix bug when API does not provide user information

[codecov-io]

Codecov Report

Merging #1839 into develop will increase coverage by <.01%.
The diff coverage is 60%.

@@             Coverage Diff             @@
##           develop    #1839      +/-   ##
===========================================
+ Coverage    41.26%   41.26%   +<.01%     
===========================================
  Files          394      394              
  Lines        25874    25876       +2     
  Branches      1281     1283       +2     
===========================================
+ Hits         10676    10677       +1     
- Misses       15198    15199       +1

Impacted Files	Coverage Δ
.../ui/source/js/data-set-about/ctrls/sharing-ctrl.js	54.54% <0%> (-2.6%)	⬇️
refinery/ui/source/js/commons/services/users.js	93.33% <100%> (+0.47%)	⬆️

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