Pass request.query to afterFind

[dblythy]

Not sure if this should be an issue or expected behaviour, but one that I quickly created a test case for and provided a fix for.

Issue

req.query is undefined on afterFind.

Considering afterFind is directly related to the Parse.Query that called it, shouldn't req.query be defined?

Test case:
(Fails on Parse Server 4.3.0)

it('should add afterFind trigger', done => {
    Parse.Cloud.afterFind('MyObject', req => {
      const q = req.query;
      expect(q instanceof Parse.Query).toBe(true);
    });

    const query = new Parse.Query('MyObject');
    query.find().then(() => {
      done();
    });

});

In my use, I wanted to handle req.objects differently depending on whether the query was an include from another object, or whether the query was an or query on the class.

[ghost]

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[codecov]

Codecov Report

Merging #6960 into master will increase coverage by 0.02%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #6960      +/-   ##
==========================================
+ Coverage   93.77%   93.80%   +0.02%     
==========================================
  Files         169      169              
  Lines       12261    12269       +8     
==========================================
+ Hits        11498    11509      +11     
+ Misses        763      760       -3     

Impacted Files	Coverage Δ
src/RestQuery.js	95.51% <100.00%> (+0.04%)	⬆️
src/triggers.js	92.48% <100.00%> (+0.04%)	⬆️
src/RestWrite.js	93.65% <0.00%> (-0.17%)	⬇️
src/ParseServer.js	89.47% <0.00%> (ø)
src/LiveQuery/ParseLiveQueryServer.js	94.94% <0.00%> (+0.31%)	⬆️
src/Adapters/Storage/Mongo/MongoStorageAdapter.js	93.58% <0.00%> (+0.66%)	⬆️

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[dblythy]

Thanks again @dplewis!