[GNC] Switch to Account that a Transfer is from by Keyboard

[Fred Bone]

On 17 June 2019 at 9:27, David Carlson said:

> I thought there was already a keyboard shortcut for that.  In Windows
> release 2.6.19, the letter *J* is underlined in the word *J*ump in the
> *A*ctions menu, which is supposed to indicate a keyboard shortcut. 
> However, when I tried it today, I couldn't make it work.  

Works fine for me in 2.6.21 on Windows10.