feat(receive): use custom keyboard in cjit flow

[ovitrif]

This PR refactors the receive amount screen in the CJIT flow to use the custom numeric keyboard and fixes a few other UI issues in the screen as well as on the edit invoice screen from the receive sheet.

Description

Changes:

• feat(receive): change unit on amount click
• fix(receive): push keyboard and buttons to the bottom
• fix: send amount test tags in compose tests
• feat(receive): use custom keyboard in cjit flow
• refactor: add optional channelConfig param to openChannel

Preview

CJIT Amount Screen

Before	After	After - Small Screen

Edit Invoice Screen

Before	After

QA Notes

Tests:

• CJIT flow: brand-new wallet > receive > click switch > verify the keyboard on the cjit amount screen
• Receive > edit > verify the edit invoice screen
  • tap amount text to show keyboard if hidden, then tap it again to switch units

[jvsena42]

Optional: Could implement SyncNodeView if the node is not running yet, it would simplify the onContinue logic

[ovitrif]

Still have to think about it if it's a good idea in Receive - CJIT flow 🤔