Add offline and fee-payer utilities to CLI vote module (#21579)

* create-vote-account: add offline, nonce, fee_payer capabilities

* vote-authorize: add offline, nonce, fee-payer

* vote-update-things: add offline, nonce, fee-payer

* withdraw-vote: add offline, nonce, fee-payer

* close-vote-acct: add fee-payer

* Allow WithdrawVoteAccount to empty account, since offline operations cannot perform account state queries as in CloseVoteAccount

* Fix lint

* Update offline-signing docs

* Add some parse unit tests

* Add offline integration test

cli/tests/stake.rs

@@ -59,7 +59,13 @@ fn test_stake_delegation_force() {
         authorized_voter: None,
         authorized_withdrawer,
         commission: 0,
+        sign_only: false,
+        dump_transaction_message: false,
+        blockhash_query: BlockhashQuery::All(blockhash_query::Source::Cluster),
+        nonce_account: None,
+        nonce_authority: 0,
         memo: None,
+        fee_payer: 0,
     };
     process_command(&config).unwrap();