fix jip token

Src/Dlhis.Jip.Api/ClientHandlers/JipTokenHandler.cs

@@ -42,6 +42,8 @@ public class JipTokenHandler : IAsyncAuthTokenHandler
 
         var jwtHandler = new JwtSecurityTokenHandler();
         var securityToken = jwtHandler.CreateToken(descriptor);
-        return await Task.FromResult(jwtHandler.WriteToken(securityToken));
+        var token = await Task.FromResult(jwtHandler.WriteToken(securityToken));
+
+        return "Bearer " + token;
     }
 }