Add wallet reconnect helper text for stale session

[Chucks1093]

Summary
Add wallet reconnect helper text for stale session

Scope

• add helper text explaining stale wallet session reconnect path\n- show only in stale/disconnected state\n- keep reconnect action behavior unchanged

Acceptance Criteria

• scoped change is implemented with no unrelated file churn
• docs/tests are updated where applicable
• contributor can validate the outcome locally

Contributor coordination: if you pick this up, reach out in Telegram for updates or clarification: https://t.me/accesslayerorg

[khanavi272-spec]

@khanavi272-spec has applied to work on this issue as part of the Stellar Wave Program's 4th wave.

I would like to work on this issue

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[Benedict07749]

@Benedict07749 has applied to work on this issue as part of the Stellar Wave Program's 4th wave.

Please i can solve this issue
Please assign to me🙏

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[Nanle-code]

@Nanle-code has applied to work on this issue as part of the Stellar Wave Program's 4th wave.

Let me work on this issue

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Congratulations, @Nanle-code! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on April 29, 2026.

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This issue has been completed by @Nanle-code as part of the Stellar Wave Program's 4th Wave 🥳

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