[Ingestion Form]: filling in the module, if I come to previous step I'm asked to refill some fields

[CriMenghini]

Subject of the issue

While a user fills in the module, if he needs to come back to previous stages he's asked to fill in again:

1. Concetto semantico
2. Tag

Your environment

• Google Chrome - Version 64.0.3282.167 (Official Build) (64-bit)

Steps to reproduce

Just try to go back after having completed the module.

Expected behaviour

I don't expect to insert again the info related to potentially many many columns.

Actual behaviour

I've to do enter again the info