Mccalluc/user files csv filtering

[mccalluc]

I started off trying to give the download url nice simple params, but it's easier and more consistent to pass the solr-style ones through.

Fix #1957

[codecov-io]

Codecov Report

Merging #2041 into develop will increase coverage by <.01%.
The diff coverage is 59.09%.

@@             Coverage Diff             @@
##           develop    #2041      +/-   ##
===========================================
+ Coverage    44.22%   44.23%   +<.01%     
===========================================
  Files          416      417       +1     
  Lines        27706    27714       +8     
  Branches      1339     1339              
===========================================
+ Hits         12254    12260       +6     
- Misses       15452    15454       +2

Impacted Files	Coverage Δ
.../source/js/user-file-browser/services/user-file.js	100% <ø> (+35%)	⬆️
...file-browser/ctrls/user-file-browser-files-ctrl.js	12.9% <0%> (-0.89%)	⬇️
.../js/user-file-browser/services/user-file-params.js	65% <65%> (ø)

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