fix: on ajv validation fail throw 400 bad request

Signed-off-by: Pranav C <pranavxc@gmail.com>

packages/nocodb/src/lib/meta/helpers/catchError.ts

@@ -412,7 +412,7 @@ export default function (
       } else if (e instanceof NotImplemented) {
         return res.status(501).json({ msg: e.message });
       } else if (e instanceof AjvError) {
-        return res.status(501).json({ msg: e.message, errors: e.errors });
+        return res.status(400).json({ msg: e.message, errors: e.errors });
       }
       next(e);
     }