feat-mobile: add review screen to send flow

[begonaalvarezd]

Summary

Please summarize your changes, describing what they are and why they were made.

This PR:

• adds the review screen to the send flow
• refactors the send routing logic to be more centralized

Please note the intention of this PR is not being super strict with figma designs 🙏🏼

Changelog

- feat-mobile: add review screen to send flow

Relevant Issues

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Close #4949

Testing

Platforms

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• Desktop
  • MacOS
  • Linux
  • Windows
• Mobile
  • iOS
  • Android

Instructions

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...

Checklist

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• I have followed the contribution guidelines for this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have added or modified tests that prove my changes work as intended
• I have verified that new and existing unit tests pass locally with my changes
• I have verified that my latest changes pass CI workflows for testing and linting
• I have made corresponding changes to the documentation

[paul-boegelsack]

Another great piece for sending 💯🚀