cubicweb-slickgrid #17045763 Improve column headers management in EditableSlickGridWidget [in-progress]

Add a method column_defs to redefine easily column headers in subclasses

prioritynormal
typeenhancement
done in1.2.0
closed by<not specified>
patchWIP FOLDME with 44ec6e247c19 [folded][views] Refactor to allow redefining column headers easily (closes #17045763) [in-progress]