feat: structure icon depends on structure category (public, private, ...)

src/app/carto/carto.component.ts

...ructure-form/structure-type/structure-type.component.html

...structure-form/structure-type/structure-type.component.ts

src/app/models/structure.model.ts

src/app/models/structureType.model.ts

...rofile/profile-structure/profile-structure.component.html

...rofile/profile-structure/profile-structure.component.scss

.../profile/profile-structure/profile-structure.component.ts

src/app/services/geojson.service.ts

src/app/services/structure-type.service.ts

src/app/services/tcl.service.ts

...tructure-type-picker/structure-type-picker.component.html

...tructure-type-picker/structure-type-picker.component.scss

.../structure-type-picker/structure-type-picker.component.ts

src/app/shared/enum/structureCategory.enum.ts

src/app/shared/enum/structureCategoryIcon.enum.ts

src/app/shared/enum/structureType.enum.ts

...onents/structure-details/structure-details.component.html

...mponents/structure-details/structure-details.component.ts

src/assets/form/sprite.svg