TS core gadget cleanup and implementations #3539

Job	Run time
Build-And-Test-Web	4m 37s
Build-And-Test-Server (Simple integration tests)	17m 18s
Build-And-Test-Server (DEX integration tests)	12m 32s
Build-And-Test-Server (DEX integration test with proofs)	12m 40s
Build-And-Test-Server (Voting integration tests)	5m 18s
Build-And-Test-Server (Unit tests)	35m 11s
Build-And-Test-Server (Verification Key Regression Check)	11m 8s
Build-And-Test-Server (CommonJS test)	2m 42s
Release-on-NPM	1m 48s
Release-mina-signer-on-NPM	1m 51s
	1h 45m 5s

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