initial feature flag worker so that we can run xcm integration test

[enddynayn]

Goal

The goal of this PR is

Closes

Discussion

Checklist

• Updated Pallet Readme?
• Updated js/api-augment for Custom RPC APIs?
• Design doc(s) updated?
• Unit Tests added?
• e2e Tests added?
• Benchmarks added?
• Spec version incremented?

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

Files with missing lines	Coverage Δ
common/primitives/src/offchain.rs	100.00% <ø> (+1.40%)	⬆️
pallets/msa/src/offchain_storage.rs	78.73% <100.00%> (-0.07%)	⬇️

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