[Epic] Wallet: Send flow - Networks and Routes

[OmarBasem]

This is a master issue to cover all issues related to routes and networks in the send flow.

Features

• When a user selects a token and enters a value, the app should show the best route(s).
• The user should be able to edit the receiver networks
• The user should be able to disable some networks as the source
• The user should be able to specify certain amount to be sent from a specific network
• The user should be able to long press on a given network to specify the exact amount they would like to send via that network

Designs.

Issues

• Wallet: best route UI #18248
• Wallet: suggested routes list #18387
• Wallet: loading routes UI #18278
• Wallet: Edit receiver networks #18582
• Wallet: Disable "From" networks in send & bridge flow #18655
• Implement Send page > Long tap to edit amount send through an specific network #16974
• Send flow > Token not supported on receiver preferred networks #19670
• Recalculate max value when network is disabled #19791
• Handle 'No routes found' error and Invalid Input when disabling chains after route discovery #19910