feat: pre-compute weights for RPC at 70s and submit on-chain at 90s a… #466

Job	Run time
Test	1m 23s
Build	2m 41s
Clippy	2m 36s
Coverage	1m 43s
Docker Nightly Build	0s
Nightly Build & Test	0s
E2E	1m 23s
Docker Integration (5 Validators + WASM)	5m 22s
Integration	1m 25s
Docker	2m 59s
Release	-1s
	19m 31s

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