test: add tests for `StorageTransaction` conversions #6528

Job	Run time
Get changed files	23s
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CI for Core Components / unit-tests	7m 11s
CI for Core Components / External node (consensus=false)	7m 8s
CI for Core Components / External node (consensus=true)	7m 7s
CI for Core Components / loadtest	7m 3s
CI for Core Components / Integration (consensus=false)	6m 48s
CI for Core Components / Integration (consensus=true)	6m 40s
Build core images / Build and Push Docker Images (server-v2, linux/amd64)	5m 47s
CI for Common Components (prover or core) / build	5m 23s
Build core images / Build and Push Docker Images (external-node, linux/amd64)	6m 2s
Build core images / Build and Push Docker Images (contract-verifier, linux/amd64)	6m 24s
Build core images / Build and Push Docker Images (snapshots-creator, linux/amd64)	5m 59s
Build core images / Build and Push Docker Images (external-node, linux/arm64)	7m 7s
CI for Core Components / lint / code_lint	4m 25s
Build core images / Create release manifest	1s
Github Status Check	1s
	1h 23m 29s

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