RPC: Allow the sendTransaction preflight commitment level to be configured (bp #11792) (#11794)

* Allow the sendTransaction preflight commitment level to be configured

(cherry picked from commit b660704faa)

* rebase

Co-authored-by: Michael Vines <mvines@gmail.com>

cli/src/cli.rs

@@ -586,6 +586,7 @@ impl CliConfig<'_> {
         config.commitment = CommitmentConfig::recent();
         config.send_transaction_config = RpcSendTransactionConfig {
             skip_preflight: true,
+            ..RpcSendTransactionConfig::default()
         };
         config
     }
@@ -1295,6 +1296,7 @@ fn send_and_confirm_transactions_with_spinner<T: Signers>(
                     &transaction,
                     RpcSendTransactionConfig {
                         skip_preflight: true,
+                        ..RpcSendTransactionConfig::default()
                     },
                 )
                 .ok();
@@ -1465,6 +1467,7 @@ fn process_deploy(
             config.commitment,
             RpcSendTransactionConfig {
                 skip_preflight: true,
+                ..RpcSendTransactionConfig::default()
             },
         )
         .map_err(|e| {