Check workspace count to detect if user has no workspaces (lib), #2248,

closes #2390

src/user.cc

@@ -615,7 +615,7 @@ error User::LoadUserAndRelatedDataFromJSONString(
     // Handle missing workspace issue.
     // If default wid is missing there are no workspaces
 
-    if (!root["data"].isMember("default_wid")) {
+    if (!root["data"].isMember("workspaces") || root["data"]["workspaces"].size() == 0) {
         return error("You no longer have access to your last workspace"); // NOLINT
     }