Cli: transfer ALL; check spend+fee in client (#10012)

* lamports->SOL in user-facing error msg

* Check for sufficient balance for spend and fee

* Add ALL option to solana transfer

* Rework TransferAmount to check for sign_only in parse

* Refactor TransferAmount & fee-check handling to be more general

* Add addl checks mechanism

* Move checks out of cli.rs

* Rename to SpendAmount to be more general & move

* Impl ALL/spend helpers for create-nonce-account

* Impl spend helpers for create-vote-account

* Impl ALL/spend helpers for create-stake-account

* Impl spend helpers for ping

* Impl ALL/spend helpers for pay

* Impl spend helpers for validator-info

* Remove unused fns

* Remove retry_get_balance

* Add a couple unit tests

* Rework send_util fn signatures

cli/src/storage.rs

@@ -1,7 +1,9 @@
-use crate::cli::{
-    check_account_for_fee, check_unique_pubkeys, generate_unique_signers,
-    log_instruction_custom_error, CliCommand, CliCommandInfo, CliConfig, CliError, ProcessResult,
-    SignerIndex,
+use crate::{
+    checks::{check_account_for_fee, check_unique_pubkeys},
+    cli::{
+        generate_unique_signers, log_instruction_custom_error, CliCommand, CliCommandInfo,
+        CliConfig, CliError, ProcessResult, SignerIndex,
+    },
 };
 use clap::{App, Arg, ArgMatches, SubCommand};
 use solana_clap_utils::{input_parsers::*, input_validators::*, keypair::signer_from_path};