Indentation on paradigm layout is sometimes incorrect

[fbanados]

Paradigm layouts are not being padded correctly. For example, for nîmiw:

[fbanados]

Issue is that, at paradigm generation time, there is a transformation from sets of columns to sets of rows to generate a CompoundRow, and there is a choice of SupressOutputCell instead of EmptyCell. In short, the leftmost row should be all SupressOutputCells, and the rest should be EmptyCell so that the layout works correctly later.