SSDM-13504 : unify logos and icons : admin ui part using webpack bundling + regular urls for webmanifest related files

SSDM-13479 : 20.10.6 release : fix a problem in the calculation of columns to be exported (no more than 50 columns could be exported if "Selected columns" option was used)

SSDM-13463 : Export selection of fields from tables - UI part - use labels for column headers in TSV export

SSDM-13463 : Export selection of fields from tables - UI part - change UI constants to match the server counterparts

SSDM-13274 : ELN - use new navigation component - make sure the node icons shown on hover are fully visible even if the navigation is very narrow and the icons overlap the node text

SSDM-13463 : Export selection of fields from tables - UI part - enable export options form validation after "Export" button gets clicked

SSDM-13463 : Export selection of fields from tables - UI part - add messages explaining chosen "Import Compatible" options

SSDM-13463 : Export selection of fields from tables - UI part - disable "Export" button when "Visible columns" option is selected and no columns are visible

SSDM-13463 : Export selection of fields from tables - UI part - adjust the structure of "export_fields"

SSDM-13133 : Add info to Admin UI : have common methods for date columns with range filters + user columns

SSDM-13133 : Add info to Admin UI : registrator, registrationDate, modificationDate for types, vocabularies, terms, property types

SSDM-13133 : Add info to Admin UI : registrator, registrationDate, modificationDate for users, groups, roles

SSDM-13463 : Export selection of fields from tables - UI part - adjust the exported_fields parameter for exported kinds that do not have a type (e.g. entity types)

SSDM-13463 : Export selection of fields from tables - UI part - send import_compatible parameter to the server

SSDM-13274 : ELN - use new navigation component (merge of ssdm-13274-eln-navigation-migration branch)