2581 update stateful storage pallets to support intents

[JoeCap08055]

Goal

The goal of this PR is to implement the changes necessary to update the stateful-storage and msa pallets to use the new Schemas and Intents framework. This includes a migration of child trie storage in the stateful-storage pallet.

Closes #2581

[codecov]

Codecov Report

❌ Patch coverage is 65.20875% with 350 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
pallets/stateful-storage/src/types.rs	22.39%	149 Missing ⚠️
pallets/stateful-storage/src/lib.rs	50.62%	119 Missing ⚠️
pallets/stateful-storage/src/migration/v1/types.rs	56.60%	46 Missing ⚠️
pallets/stateful-storage/src/migration/v2.rs	94.17%	12 Missing ⚠️
pallets/messages/src/lib.rs	22.22%	7 Missing ⚠️
pallets/schemas/src/migration/v5.rs	0.00%	6 Missing ⚠️
common/primitives/src/stateful_storage.rs	85.71%	5 Missing ⚠️
pallets/msa/src/lib.rs	94.52%	4 Missing ⚠️
pallets/messages/src/migration/v3.rs	96.66%	2 Missing ⚠️

Files with missing lines	Coverage Δ
common/primitives/src/msa.rs	87.50% <100.00%> (ø)
common/primitives/src/schema.rs	37.86% <ø> (ø)
pallets/messages/src/migration/v2/mod.rs	66.66% <100.00%> (ø)
pallets/msa/src/rpc/src/lib.rs	93.58% <100.00%> (ø)
pallets/msa/src/types.rs	92.90% <100.00%> (ø)
pallets/schemas/src/lib.rs	79.76% <100.00%> (ø)
pallets/stateful-storage/src/migration/v1/mod.rs	100.00% <100.00%> (ø)
pallets/stateful-storage/src/rpc/src/lib.rs	86.48% <ø> (ø)
...allets/stateful-storage/src/stateful_child_tree.rs	74.63% <100.00%> (ø)
pallets/stateful-storage/src/test_common.rs	97.50% <100.00%> (ø)
... and 9 more

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