UX/UI updates to swap & transacting flows

[stackingsaunter]

Polishing UX/Ui and copy of send/receive and swap flows

It uses some of the new shadcn components and new field component with custom variant for bitcoin transactions, see #1871

Figma link here

• Please see all Send, Receive and Swap flows
• There are comments in Figma regarding some components or interactions
• There are minor copy changes in all flows, please try to update them all

Screenshots

[stackingsaunter]

I added labels & messages to the design, related to #1946

Figma