Resolve "Make cut-off configuration more readable"

Closes #495 (closed)

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This pop-up window uses RenderForm that is an abstraction of that uses react-final-form

@bodin @gaonach I think that if we decide to do high level abstractions then we should document how to use it. It might not be easy for newcomers or non-main developers to understand how it works. We should take the time to document them.