refresh token bug backend

Diligent.WebAPI.Host/Middlewares/JwtMiddleware.cs

                     ValidateIssuer = false,
                     ValidateAudience = false,
                     RequireExpirationTime = false,
-                    ValidateLifetime = true,
+                    ValidateLifetime = false,
                     // set clockskew to zero so tokens expire exactly at token expiration time (instead of 5 minutes later)
                     //ClockSkew = TimeSpan.Zero
                 }, out SecurityToken validatedToken);