NXP-13713: add widget type conf for select2 separator
NXP-13713: don't show separator property in Studio
NXP-13747: remove spurious studio category from chain select widget types
NXP-13676: update icons + add info icon
NXP-13746 Prevent editing user with sub group of administor groups
NXP-13741: add the possibility to set custom style on grid row
NXP-13741: rename property