Refactor token admin registry to match EVM implementation #3221

Job	Run time
Integration Tests (Fees Test)	17m 4s
Integration Tests (Token Transfer Test)	10m 16s
Integration Tests (USDC Test)	10m 50s
Integration Tests (OOO Execution Test)	10m 28s
Integration Tests (Messaging Test)	13m 36s
Integration Tests (Fee Boosting Test)	11m 12s
Integration Tests (Batching Test)	13m 22s
Integration Tests (CCIPReader Test)	7m 38s
integration-test-ccip-ocr3	1s
	1h 34m 27s

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