Validate SEP-41 token metadata and trustline edge cases

[AnnabelJoe]

Category: Backlog

Description: Validate SEP-41 token metadata and trustline edge cases.

Note: recreated without labels after earlier label errors.

[Elizabethxxx]

@Elizabethxxx has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

Hello Maintainer, I would love to work on this issue!

I’m a Full-Stack Developer, and I have gone through the issue description and the relevant parts of the codebase. I understand the problem with [briefly mention the core issue, e.g., the broken API endpoint / the UI misalignment on the dashboard], and I have a clear idea of how to resolve it.

Could you please assign this issue to me? I'm ready to start working on a fix right away.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Elizabethxxx to this issue.