chore: use arb sepolia for "default" session key demo

[jakehobbs]

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• Did you add new tests and confirm existing tests pass? (yarn test)
• Did you update relevant docs? (docs are found in the site folder, and guidelines for updating/adding docs can be found in the contribution guide)
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PR-Codex overview

This PR focuses on enhancing the useRecurringTransactions hook and the TransactionsCard components to support varying chain and transport options, improving flexibility and integration with different blockchain environments.

Detailed summary

• Updated the init function to include client in the connection check.
• Modified TransactionsCardDefault to accept chain and transport parameters.
• Modified TransactionsCard7702 to accept chain and transport parameters.
• Updated useRecurringTransactions to accept chain and transport as part of clientOptions.
• Replaced hardcoded odyssey with clientOptions.chain in transaction handling and validation calls.

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Name	Status	Preview	Comments	Updated (UTC)
aa-sdk-site	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Feb 19, 2025 1:44am
aa-sdk-ui-demo	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Feb 19, 2025 1:44am

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