Fix validation for query preview endpoint

[mslourens]

Description

It is currently not possible to preview a REST query, it throws errors because the validation is missing three fields. This PR fixes that.

Fixes #4413

[shogunpurple]

Awesome @mslourens - thanks!

[shogunpurple]

Hmm, seems like the tests need to be updated to reflect this also according to CI

[codecov-commenter]

Codecov Report

Merging #4414 (7b182b1) into develop (0890c3d) will decrease coverage by 0.02%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           develop    #4414      +/-   ##
===========================================
- Coverage    67.91%   67.89%   -0.03%     
===========================================
  Files          144      144              
  Lines         4922     4922              
  Branches       761      761              
===========================================
- Hits          3343     3342       -1     
  Misses        1105     1105              
- Partials       474      475       +1     

Impacted Files	Coverage Δ
...ges/server/src/api/controllers/query/validation.js	100.00% <ø> (ø)
packages/server/src/api/controllers/query/index.js	74.73% <0.00%> (-1.06%)	⬇️
packages/server/src/middleware/joi-validator.js	76.47% <0.00%> (ø)
packages/server/src/api/controllers/integration.js	100.00% <0.00%> (ø)

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