Added rest option: excludeKeys

[RaschidJFR]

Added support for rest parameter excludeKeys in queries (similar to keys) in order to exclude the desired fields from retrieved objects.

Fixes #4948

[dplewis]

Thank you for the contribution! Just a few changes

[RaschidJFR]

Sure. I will aply the changes as soon as I get a chance.

[codecov]

Codecov Report

Merging #5737 into master will decrease coverage by 0.03%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master    #5737      +/-   ##
==========================================
- Coverage   93.67%   93.64%   -0.04%     
==========================================
  Files         145      145              
  Lines       10188    10229      +41     
==========================================
+ Hits         9544     9579      +35     
- Misses        644      650       +6

Impacted Files	Coverage Δ
src/RestQuery.js	95.63% <100%> (+0.15%)	⬆️
src/Routers/ClassesRouter.js	96.7% <100%> (+0.07%)	⬆️
src/GraphQL/loaders/usersQueries.js	89.28% <0%> (-3.58%)	⬇️
src/Adapters/Storage/Mongo/MongoStorageAdapter.js	91.72% <0%> (-0.73%)	⬇️
src/RestWrite.js	93.32% <0%> (-0.18%)	⬇️
src/Adapters/Auth/apple-signin.js
src/Adapters/Auth/apple.js	100% <0%> (ø)
src/Adapters/Auth/index.js	92.85% <0%> (+0.12%)	⬆️
src/GraphQL/loaders/parseClassTypes.js	84.15% <0%> (+0.81%)	⬆️

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[dplewis]

@RaschidJFR Thanks for the PR. I cleaned it up and add more tests to get this into the next release.

@acinader how does this look?

[acinader]

uhmazing

[RaschidJFR]

Great, I'm glad it was useful. I'm paying clsoe attention to the process and tests so the next PR need less changes.
So I guess the next step is to incorporate it into the SDK, am I right?

[dplewis]

Yeah the SDK's and the Docs are next. Adding new features like this takes a lot of time.

We can wait until the server release.