Merge branch '50-improve-exception-handling' into 'dev'

src/structures/services/structures-search.service.ts

src/structures/structures.controller.ts

src/users/controllers/employer.controller.ts

src/users/controllers/userRegistry.controller.ts

src/users/controllers/users.controller.ts

src/users/services/users.service.spec.ts

src/users/services/users.service.ts