PIM-3426: Fix edit common attributes
Merge pull request #1820 from akeneo/PIM-3426

PIM-3426: Fix edit common attributes
PIM-3369 : stops the product import with a detailed notice when
encounters issues with field formatting

Conflicts:
	CHANGELOG.md
PIM-3369 : fix issue with optional currency in a csv field
PIM-3369 : fix the optional two fields case for metric import