Fix: Form validation switch and input delete

[biast12]

Description

This fix a bug where if you add a new field and deletes it when it's invalid then the save button stays disabled
This also fix an issue where if you switch from an invalid form then the save button stays disabled

Type of Change

• Bug fix
• New feature
• Breaking change

Testing

Add a new field to an already existing and valid form, delete the field you added and the save button should not be disabled
Go to an invalid form and switch to a valid one and the save button should not be disabled

Checklist

• My code follows the style of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works