refac: stale test entries, failing web tests, Postgre backup bug, Hardcoded MySQL table count, Stale Postgre connection in test, own-scope visibility filter, GetAll ignoring its error, JSON tags in use-case types, 31 copies of DESKTOP_QUERY, ProfileView endpoint paths

api/handlers/auth/loginHandler.go

@@ -139,7 +139,12 @@ func (h *LoginHandler) Register(w http.ResponseWriter, r *http.Request) {
 }
 
 func (h *LoginHandler) RegistrationStatus(w http.ResponseWriter, _ *http.Request) {
-	body, _ := json.Marshal(map[string]bool{"open": h.CreateUseCase.IsRegistrationOpen()})
+	open, err := h.CreateUseCase.IsRegistrationOpen()
+	if err != nil {
+		http.Error(w, apperr.RegistrationFailedErrorMessage, http.StatusInternalServerError)
+		return
+	}
+	body, _ := json.Marshal(map[string]bool{"open": open})
 	w.Header().Set("Cache-Control", "no-store")
 	_, _ = w.Write(body)
 }