Improve rendering of collection-like properties using `MongoJsonSchemaCreator`

[MateuszWicherski]

Hi!

I think that MongoJsonSchemaCreator is treating collection like fields of a @Document class incorrectly:

• for simple and enum lists (e.g. List<String>, List<Enum>), information about expected array type is lost and they are included in a resulting schema as array
• complex lists (e.g. List<ObjectType>), are resolved as an object with properties taken from ObjectType - the information that it is an array is lost completely (and results in not being able to insert correct document into the database).

Minimal example to reproduce the issue can be found here:
https://github.com/MateuszWicherski/spring-data-mongodb-bug

[christophstrobl]

Thanks for bringing this up. We'll have a look!

[christophstrobl]

We updated the MappingMongoJsonSchemaCreator to include items in case you want to give #3837 a try.

[spring-projects-issues]

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[MateuszWicherski]

Hi! Sorry for delay, I had no time to check it. The fix looks nice, I have checked it against my code and it is working as expected. 5 star job!

[christophstrobl]

@MateuszWicherski thanks for giving it a try!