Refresh button to the client ?

hello , you could consider this a suggestion for the new update of the client

when there is bad internet or a sudden disconnection , the game's screen turn into the metal texture thing .. on browsers it's simple to press the refresh button , in the the new client , we must close the client and then re-open it , causing us getting out of the game an losing our gains in it , so , will there be a kind of button to solve this ?