🐛 [Bug report]: Template is adding null for empty fields

[koustov]

Describe the bug
I a field is kept untouched on create play UI, then CRP marks them as null on read me.

To Reproduce
Steps to reproduce the behavior:

1. Go to react play app on dev mode
2. Click on Create with some optional field as blank
3. Prepare the app with the newly created play

Expected behavior
Should be empty string

Screenshots
NA

Desktop (please complete the following information):
NA

Smartphone (please complete the following information):
NA

Additional context
NA