REDMINE_ISSUE-19119 |  Permettre la gestion de signalements non-géographiques (REDMINE_ISSUE-19667 |  La recherche de doublon à l'import de signalement s'applique sur les signalements supprimés)

See merge request !735

(cherry picked from commit 971f85ca)

2ca3398d add json import (adapting geojson) for non geographical features
ae120595 adapt csv import/export for non geographical features
ec521dfe add geom type none to feature type creation
91e3110b hide map field at feature creation for no geom feature type
9a1daa91 adapt feature edition for non geographical feature type, disabling map, checks...
1113ff11 disactivate map on feature details if non geographical feature type
8aa89a71 replace structure by more explicite name feature_type and display JSON import...
96ce2b74 toggle JSON import button
0cba74ed prevent map not displayed when navigating from a non geographical feature
0922ef18 Ensure map is created in fast navigation & removing unused methods