TUI - Operation bindings - add button Finalize transaction

Similar to issue #303 (closed).

For operations:

• transfer
• transfer to savings/from savings
• power up
• power down
• set withdraw routes
• delegate

The following changes should be done:

1. Button Finalize transaction should be added.
2. If a user clicks button:
   a. an operation is added to the cart
   b. an application jumps to Transaction summary.

Based on #261