[token-cli] Add confidential transfer deposit, withdraw, apply pendin…

…g balance, and confidential transfer (#5630)

* add `deposit-confidential-tokens` command

* add `withdraw-confidential-tokens` command

* add `apply-pending-balance` command

* add `--confidential` flag to `transfer` command

* remove unnecessary fetch of account data

* Apply suggestions from code review

Co-authored-by: Jon Cinque <[email protected]>

* remove unnecessary fetch of account data for apply pending balance

* use match statements for `command_transfer`

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Co-authored-by: Jon Cinque <[email protected]>