feat(JMongosh): evaluate distinct using runCommand to allow values of different types in result array

[kornilova203]

No description provided.

[addaleax]

Looks like this fails with a 4.0.x server:

 [2021/08/24 14:04:35.632] com.mongodb.mongosh.CollectionTest > testDistinct FAILED
 [2021/08/24 14:04:35.632]     org.junit.ComparisonFailure: expected:<[[ 1, 2, 3 ]
 [2021/08/24 14:04:35.632]     [ "hello", "world" ]
 [2021/08/24 14:04:35.632]     [ 1, 2, "hello" ]
 [2021/08/24 14:04:35.632]     [ 1 ]
 [2021/08/24 14:04:35.632]     [ { }, { "a": 1 } ]
 [2021/08/24 14:04:35.632]     [ "hello" ]]
 [2021/08/24 14:04:35.632]     [ "caf\u00E9" ]> but was:<[com.mongodb.MongoCommandException: Command failed with error 14 (TypeMismatch): '"collation" had the wrong type. Expected object, found null' on server %mongohostport%. The full response is {"ok": 0.0, "errmsg": "\"collation\" had the wrong type. Expected object, found null", "code": 14, "codeName": "TypeMismatch"}
 [2021/08/24 14:04:35.632]     com.mongodb.MongoCommandException: Command failed with error 14 (TypeMismatch): '"collation" had the wrong type. Expected object, found null' on server %mongohostport%. The full response is {"ok": 0.0, "errmsg": "\"collation\" had the wrong type. Expected object, found null", "code": 14, "codeName": "TypeMismatch"}
 [2021/08/24 14:04:35.632]     com.mongodb.MongoCommandException: Command failed with error 14 (TypeMismatch): '"collation" had the wrong type. Expected object, found null' on server %mongohostport%. The full response is {"ok": 0.0, "errmsg": "\"collation\" had the wrong type. Expected object, found null", "code": 14, "codeName": "TypeMismatch"}
 [2021/08/24 14:04:35.632]     com.mongodb.MongoCommandException: Command failed with error 14 (TypeMismatch): '"collation" had the wrong type. Expected object, found null' on server %mongohostport%. The full response is {"ok": 0.0, "errmsg": "\"collation\" had the wrong type. Expected object, found null", "code": 14, "codeName": "TypeMismatch"}
 [2021/08/24 14:04:35.632]     com.mongodb.MongoCommandException: Command failed with error 14 (TypeMismatch): '"collation" had the wrong type. Expected object, found null' on server %mongohostport%. The full response is {"ok": 0.0, "errmsg": "\"collation\" had the wrong type. Expected object, found null", "code": 14, "codeName": "TypeMismatch"}
 [2021/08/24 14:04:35.632]     com.mongodb.MongoCommandException: Command failed with error 14 (TypeMismatch): '"collation" had the wrong type. Expected object, found null' on server %mongohostport%. The full response is {"ok": 0.0, "errmsg": "\"collation\" had the wrong type. Expected object, found null", "code": 14, "codeName": "TypeMismatch"}]
 [2021/08/24 14:04:35.632]     [ "caf\u00E9" ]>
 [2021/08/24 14:04:35.632]         at org.junit.Assert.assertEquals(Assert.java:115)
 [2021/08/24 14:04:35.632]         at org.junit.Assert.assertEquals(Assert.java:144)
 [2021/08/24 14:04:35.632]         at com.mongodb.mongosh.UtilKt.compare(util.kt:168)
 [2021/08/24 14:04:35.632]         at com.mongodb.mongosh.UtilKt.access$compare(util.kt:1)
 [2021/08/24 14:04:35.632]         at com.mongodb.mongosh.UtilKt$doTest$4.invoke(util.kt:95)
 [2021/08/24 14:04:35.632]         at com.mongodb.mongosh.UtilKt$doTest$4.invoke(util.kt:69)
 [2021/08/24 14:04:35.632]         at com.mongodb.mongosh.UtilKt.withDb(util.kt:146)
 [2021/08/24 14:04:35.632]         at com.mongodb.mongosh.UtilKt.doTest(util.kt:69)
 [2021/08/24 14:04:35.632]         at com.mongodb.mongosh.CollectionTest$test$1.invoke(CollectionTest.kt:78)
 [2021/08/24 14:04:35.632]         at com.mongodb.mongosh.CollectionTest$test$1.invoke(CollectionTest.kt:77)
 [2021/08/24 14:04:35.632]         at com.mongodb.mongosh.ShellTestCase.withShell(ShellTestCase.kt:29)
 [2021/08/24 14:04:35.632]         at com.mongodb.mongosh.CollectionTest.test(CollectionTest.kt:77)
 [2021/08/24 14:04:35.632]         at com.mongodb.mongosh.CollectionTest.testDistinct(CollectionTest.kt:28)

[kornilova203]

@addaleax, pushed fix