6641: Change authProvider to 'masterkey'

Author: gormanfletcher

src/Routers/UsersRouter.js

@@ -292,7 +292,7 @@ export class UsersRouter extends ClassesRouter {
       userId,
       createdWith: {
         action: 'create',
-        authProvider: 'override',
+        authProvider: 'masterkey',
       },
       installationId: req.info.installationId,
     });