Add confirmation for new LSP channel paid from external source

[Darth-Coin]

Describe the feature

Description:

When the user buy a new inbound channel from LSP are the following steps:

• user create the order, select the size of the channel and the leasing time
• will prompt with details and the LN invoice code, then the button "make the payment"
• in this moment is checking if user have local balance to pay. If not, user can click on top right icon to show up the QR code to pay it from another wallet
• user pay it from another wallet scanning that QR, but in Zeus is not showing anything, User will not know what to do next.
• in the external wallet the payment is confirmed

Suggestions:

1. In the waiting screen, with the QR, at least add a button - "make payment" and add a note like "pay from another external wallet and wait for the channel to be confirmed ((refresh if necessary)". Then once is clicked that button, go back to channels screen so the user can wait patiently.
2. If the payment was successful, show the animation and a message "your new channel will be online in few moments". Then close the screen and go back to main screen.

This way thew new user will not be confused of what is going on.