add toggle snap, for edit and creation, fix edit button activated at edit page opening & avoid popup on feature being created

disable adding feature or editing geometry for multi geometry feature types & add icons on feature type details

add icons, autofill type, restrict multi geometry choice to geojson import & remove unused turf libs

avoid overiding not modified custo fields & display info message if only one feature selected for edition

prevent feature_id at feature-type creation instead of import for performance & fix undefined feature-type