fix: parse transactions from old attribute formats

[jgryffindor]

Description

• Set method to either format (method or _method) based on attribute structure for ledger.send
• Set symbol information based on attribute structure for ledger.send

Related Issue

Fixes # (issue)

Testing

Breaking Changes (if applicable)

None

Screenshots (if applicable)

No changes to UI

Checklist:

• I have read and followed the CONTRIBUTING guidelines for this project.
• I have added or updated tests and they pass.
• I have added or updated documentation and it is accurate.
• I have noted any breaking changes in this module or downstream modules.