Add price tooltip for key badge

[Chucks1093]

Summary

Add a tooltip for the key price badge to show additional context (e.g. last updated, quote source).

Acceptance Criteria

• tooltip works on hover/focus and mobile tap
• content supports missing fields
• UI stays unobtrusive

Contributor coordination: https://t.me/accesslayerorg

[devpeter999]

@devpeter999 has applied to work on this issue as part of the Stellar Wave Program's 3rd wave.

Hii maintainer I will like to jump on this issue

ℹ️ Repo Maintainers: To accept this application, review their application or assign @devpeter999 to this issue.

[Benalex8797]

@Benalex8797 has applied to work on this issue as part of the Stellar Wave Program's 3rd wave.

hi, i will love to work on this

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Benalex8797 to this issue.

[khanavi272-spec]

@khanavi272-spec has applied to work on this issue as part of the Stellar Wave Program's 3rd wave.

I would like to work on this issue

ℹ️ Repo Maintainers: To accept this application, review their application or assign @khanavi272-spec to this issue.

[drips-wave]

Congratulations, @Benalex8797! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on March 30, 2026.

🧑‍💻 @Benalex8797: Please resolve the issue such that the repo's maintainers have enough time to review your contribution before the due date. You'll earn Points for completing the issue on-time, which will make you eligible for a share of the Stellar Wave Program's reward pool.

Warning

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[drips-wave]

This issue has been completed by @Benalex8797 as part of the Stellar Wave Program's 3rd Wave 🥳

😎 @Benalex8797: You earned 200 Points for completing this issue! After the current Wave ends, you'll be eligible for a percentage of the Wave's reward pool based on the percentage of total points you've earned. Learn more here. You can also Leave a review to share your experience working on this issue.

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