Fix Replay Data Corruption for Non-JSON Payloads (#2813)

[deepshekhardas]

Fixes replay data corruption for non-JSON payloads by:\n- Allowing non-JSON string payloads in replay (removing JSON.parse validation)\n- Detecting large payloads and preventing editing them\n- Properly showing tooltip for large vs store payloads\n\nCloses triggerdotdev#2959

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Summary by cubic

Prevents replay data corruption for non-JSON payloads by allowing raw string payloads and making oversized or stored payloads read-only. Improves clarity in the replay dialog with accurate tooltips for large vs too-large payloads. Closes triggerdotdev#2959.

• Bug Fixes
  • Accept any string payload in ReplayRunData (removed JSON validation) to preserve non-JSON data.
  • In Replay dialog, mark application/store and >512 KB payloads as read-only and show the correct tooltip.

^{Written for commit c7507f0. Summary will update on new commits. Review in cubic}

[cubic-dev-ai]

No issues found across 2 files

_{Re-trigger cubic}