The "Card" page should display a message when there is no cards

The card page just display an empty page when there is no cards to use. It should be like the "Send Gem" page and display a message when there is no cards to use.

![image](https://user-images.githubusercontent.com/31021380/78584891-ef691680-7806-11ea-9bfa-2030e264c78c.png)
![image](https://user-images.githubusercontent.com/31021380/78584968-0ad42180-7807-11ea-9f50-862205b64f1d.png)

