Relation Column Save Fails If the Parent has required fields

[fn-faisal]

New Issue Checklist

• I am not disclosing a vulnerability.
• I am not just asking a question.
• I have searched through existing issues.
• I can reproduce the issue with the latest versions of Parse Server and Parse Dashboard.

Issue Description

If a Class has required columns along with relation columns. Upon clicking on the relation column for a row, as we're taken to the relation class, as the add row button is clicked to add row, after we enter the data and hit save button, we get the error Please enter all the required fields.

Steps to reproduce

Create two classes called TestClass, TestRelation. Add a required column to TestClass along with a relation column that points to TestRelation class. Add a new row in the TestClass with the required field and click save and then click on View Relation. In the Relation Class (TestRelation) click new row button and enter the data then click save. You should see an error Please enter all required fields

Actual Outcome

The relation object save fails if there are required columns in the Parent class with a message Please enter all required fields

Expected Outcome

The relation object should be saved without any error

Environment

Dashboard

• Parse Dashboard version: 3.2.1
• Browser (Safari, Chrome, Firefox, Edge, etc.): Chrome
• Browser version: 96.0.4664.55

Server

• Parse Server version: 4.2.0
• Operating system: MacOS Catilina
• Local or remote host (AWS, Azure, Google Cloud, Heroku, Digital Ocean, etc): Localhost

Database

• System (MongoDB or Postgres): MongoDB
• Database version: 3.6
• Local or remote host (MongoDB Atlas, mLab, AWS, Azure, Google Cloud, etc): MongoDB Atlas

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