refactor: minimize redundant requests in `prepareTransactionRequest` #369

Job	Run time
Size	46s
Verify / Lint	43s
Verify / Test (http, 1, 3)	2m 30s
Verify / Test (http, 2, 3)	4m 25s
Verify / Test (http, 3, 3)	2m 43s
Verify / Test (webSocket, 1, 3)	1m 52s
Verify / Test (webSocket, 2, 3)	1m 38s
Verify / Test Environments (bun)	54s
Verify / Test (webSocket, 3, 3)	1s
Verify / Test Environments (node-18)	55s
Verify / Test Environments (node-20)	36s
Verify / Vectors	1m 21s
Verify / Test Environments (node-latest)	54s
Verify / Test Environments (next)	54s
Verify / Test Environments (sveltekit)	42s
Verify / Test Environments (tsc)	46s
Verify / Test Environments (vite)	55s
Verify / Build	58s
Verify / Types (5.3.2)	57s
Verify / Types (latest)	1m 14s
Verify / Wagmi	0s
	25m 44s

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