Adding native_submitPlainRequest RPC method (#3245) #9241

Job	Run time
set-condition	7s
fmt	1m 51s
sequentialise	4s
parachain-build-dev	7m 17s
omni-executor-check	24m 13s
tee-check	22m 32s
identity-build	1m 35s
omni-executor-build	18m 4s
parachain-unit-test	0s
parachain-clippy	0s
parachain-runtime-test	0s
lit-di-identity-test	3m 45s
litentry	1m 52s
${{ matrix.test_name }}	0s
lit-dr-vc-test	3m 40s
paseo	1m 11s
lit-parentchain-nonce	3m 44s
lit-test-failed-parentchain-extrinsic	3m 40s
omni-test	1m 11s
push-docker	35s
	1h 35m 21s

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