feat(list): display interactive sessions

[michaelbuchar]

Correct pagination for API requests using the interactive type query parameter.

Relates to reanahub/reana-ui#435

[codecov]

Codecov Report

❌ Patch coverage is 50.00000% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 73.39%. Comparing base (9880f76) to head (eebd278).

Files with missing lines	Patch %	Lines
reana_workflow_controller/rest/workflows.py	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #662      +/-   ##
==========================================
- Coverage   73.41%   73.39%   -0.03%     
==========================================
  Files          17       17              
  Lines        1990     1992       +2     
==========================================
+ Hits         1461     1462       +1     
- Misses        529      530       +1     

Files with missing lines	Coverage Δ
reana_workflow_controller/rest/workflows.py	68.85% <50.00%> (-0.13%)	⬇️

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