patch workspace-chats API endpoint to be generally available instead of forced multi-user

server/endpoints/api/admin/index.js

@@ -523,16 +523,9 @@ function apiAdminEndpoints(app) {
       schema: {
         "$ref": "#/definitions/InvalidAPIKey"
       }
-    }
-     #swagger.responses[401] = {
-      description: "Instance is not in Multi-User mode. Method denied",
     }
     */
       try {
-        if (!multiUserMode(response)) {
-          response.sendStatus(401).end();
-          return;
-        }
         const pgSize = 20;
         const { offset = 0 } = reqBody(request);
         const chats = await WorkspaceChats.whereWithData(

server/models/workspaceChats.js

@@ -158,7 +158,7 @@ const WorkspaceChats = {
           ? { name: workspace.name, slug: workspace.slug }
           : { name: "deleted workspace", slug: null };
 
-        const user = await User.get({ id: res.user_id });
+        const user = res.user_id ? await User.get({ id: res.user_id }) : null;
         res.user = user
           ? { username: user.username }
           : { username: "unknown user" };

server/swagger/openapi.json

@@ -665,9 +665,6 @@
               }
             }
           },
-          "401": {
-            "description": "Instance is not in Multi-User mode. Method denied"
-          },
           "403": {
             "description": "Forbidden",
             "content": {