offchain send_signed_transaction any_account early exit

[swm888]

Is there an existing issue?

• I have searched the existing issues

Experiencing problems? Have you tried our Stack Exchange first?

• This is not a support question.

Description of bug

1. I have two account for offchain woker. First account is no money.

2. send_signed_transaction get error: `InvalidTransaction::Payment` . But second account is has money to `send_signed_transaction` and can **let who = ensure_signed(origin)?;**

(offchain call) Error submitting a transaction to the pool: Transaction pool error: Invalid transaction validity: InvalidTransaction::Payment

let signer = Signer::<T, T::AuthorityId>::any_account();
let result = signer.send_signed_transaction(|_acct|
		Call::submit_number_signed{number});

https://github.com/paritytech/substrate/blob/master/frame/system/src/offchain.rs#L206-L213

let accounts = self.accounts_from_keys();
for account in accounts.into_iter() {
	let res = f(&account);
	if let Some(res) = res {
		return Some((account, res))
	}
}
None

What's the problem cause?
I think it'ssend_signed_transaction should be success by second account call func.
But for account in accounts.into_iter() { first loop use no money account and stop for.
I don't know it's correct for stop for and send_signed_transaction failed. Because second account has money to ensure_signed call dispatch func.

Steps to reproduce

git clone https://github.com/hello-substrate/substrate-pallet.git
cd substrate-pallet && git checkout ocw-demo-sigtx
cargo build --release && ./target/release/node-template --dev

1. https://polkadot.js.org/apps/?rpc=ws%3A%2F%2F127.0.0.1%3A9944#/rpc
2. author -> insertKey

keyType= demo
suri= boat stick victory lazy teach science summer outdoor sugar royal message great
publicKey= 0x6c3b2c14bab0c58bdff69a8c7169577c3ed0e480b1f99e34ea45aa84c43ece3a

keyType= demo
suri= robust degree pear oppose scene catch fashion fuel disorder excuse auction shallow
publicKey= 0xd45d732c621dd4a3e635311f47ed8913c34edb8bffadfefa198c2ed26d60c60f

transfer accounts money

Public key (SS58): 5Gs9mZdChuKpmfvpTFKfMXDVUPnZ33zEfR6y1WwTvNMQKqWS
publicKey= 0xd45d732c621dd4a3e635311f47ed8913c34edb8bffadfefa198c2ed26d60c60f

check log

2022-08-24 08:56:30 (offchain call) Error submitting a transaction to the pool: Transaction pool error: Invalid transaction validity: InvalidTransaction::Payment    
2022-08-24 08:56:30 fail call submit_number_signed: check error and offchain_signed_tx account: 6c3b2c14bab0c58bdff69a8c7169577c3ed0e480b1f99e34ea45aa84c43ece3a (5EWcc8bA...)    
2022-08-24 08:56:30 offchain_worker error: OffchainSignedTxError    
2022-08-24 08:56:31 💤 Idle (0 peers), best: paritytech/substrate#145 (0x67d6…9d54), finalized paritytech/substrate#143 (0xafa0…ba22), ⬇ 0 ⬆ 0 

Thank you very much.