Resolve "EA MaxBalanceExceeded"

MERGE REQUEST

MR Guidelines

Overview

This MR handles the EA max balance exceeded error. However, it does this in a way the renter has to trust the host. I have it WIP for this reason as it warrants some discussion.

Checklist

Review and complete the checklist to ensure that the MR is complete before assigned to an approver.

• All new methods or updated methods have clear docstrings
• Testing added or updated for new methods
• Any new packages are added to Makefile and .gitlab-ci.yml
• API documentation updated for API updates
• Module README.md updated for changes to workflow
• Issue added to Sia-UI repo for new supporting features
• Changelog File Created

Issues Closed

Closes #4214 (closed)