chore: retain action data in session payload

[joepegler]

PR-Codex overview

This PR focuses on enhancing the smartSessionsValidator by refining session data structures, integrating a description field, and improving the handling of session permissions. It also updates tests to reflect these changes.

Detailed summary

• Added a description field to UsePermissionModuleData.
• Merged permissionIds into GrantPermissionActionReturnParams.
• Updated session data handling in multiple test files to use the new structure.
• Renamed variables for clarity (e.g., zippedSessionDatum to stringifiedSessionDatum).
• Improved error handling and session creation logic.

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[github-actions]

size-limit report 📦

Path	Size
core (esm)	14.23 KB (+0.21% 🔺)
core (cjs)	20.14 KB (+0.54% 🔺)
bundler (tree-shaking)	543 B (0%)
paymaster (tree-shaking)	123 B (0%)