Fix/cst tx builder #219

Job	Run time
build (20)	3m 54s
check-version	7s
publish-meshsdk-hydra	4m 1s
publish-meshsdk-contract	3m 56s
publish-meshsdk-common	4m 10s
publish-meshsdk-wallet	4m 4s
publish-meshsdk-cli	49s
publish-meshsdk-provider	3m 54s
publish-meshsdk-core-cst	4m 2s
publish-meshsdk-core-csl	3m 59s
publish-meshsdk-react	3m 57s
publish-meshsdk-core	4m 1s
publish-meshsdk-transaction	4m 5s
publish-meshsdk-svelte	3m 50s
	48m 49s

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