[Bug] Case Template default values can't be set during template creation

[crackytsi]

Bug

Work Environment

Question	Answer
OS version (server)	Debian
OS version (client)	10
TheHive version / git hash	4 RC1
Package Type	DEB

Problem Description

If you create a template in Thehive and want to set default values, it failes to save the template.
If you remove the default values and save and later add the values, it works again.

Steps to Reproduce

1. Create template and try to save default values e.g. for integer values. Try to save.
2. Save without default values and later change the values, the template can be saved.

[crackytsi]

Error message:
TemplateCtrl: Invalid value type for custom field. Expected: integer Found : Some(1) (class scala.Some)

[To-om]

This issue is solved by commit ee3c19d