Fix Any as input of operator and workflow

[PProfizi]

Fixes #1670

A PR is required server-side for the LegacyGrpc server type to work.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.67%. Comparing base (52c4ce8) to head (7b7a528).
Report is 7 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1728      +/-   ##
==========================================
- Coverage   86.93%   85.67%   -1.26%     
==========================================
  Files          83       83              
  Lines        9937     9937              
==========================================
- Hits         8639     8514     -125     
- Misses       1298     1423     +125     

[rafacanton]

Thanks @PProfizi! Maybe just a fixture needed to protect the verison and then a PR on the server...

[PProfizi]

Thanks @PProfizi! Maybe just a fixture needed to protect the verison and then a PR on the server...

Yep, will do! I was waiting to know which versions would fail.

[rafacanton]

Thanks @PProfizi! Maybe just a fixture needed to protect the verison and then a PR on the server...

Yep, will do! I was waiting to know which versions would fail.

BTW, quite nice and explicit error message :)