[MFP] ping request to be checked against the loading checks.

[akichidis]

Description

Currently overload checks are not performed for the ping transactions. Although those are best effort checks, there is probably value having those in place to properly and early score validators under stress.

Test plan

CI/PT

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Release notes

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• [ ] Protocol:
• [ ] Nodes (Validators and Full nodes):
• [ ] gRPC:
• [ ] JSON-RPC:
• [ ] GraphQL:
• [ ] CLI:
• [ ] Rust SDK:

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2 Skipped Deployments

Project	Deployment	Preview	Comments	Updated (UTC)
multisig-toolkit	Ignored			Sep 29, 2025 1:27pm
sui-kiosk	Ignored			Sep 29, 2025 1:27pm

[akichidis]

@mwtian this is needed mostly to capture more accurately the deterioration. We want the ping to catch this, not when we'll actually start sending some traffic

[github-actions[bot]]

This PR is stale because it has been open 60 days with no activity. Remove stale label or comment or this will be closed in 7 days.