Unify JSON serialization format of transactions (#4775)

* Remove include <ranges>

* Formatting fix

* Output for subscriptions

* Output from sign, submit etc.

* Output from ledger

* Output from account_tx

* Output from transaction_entry

* Output from tx

* Store close_time_iso in API v2 output

* Add small APIv2 unit test for subscribe

* Add unit test for transaction_entry

* Add unit test for tx

* Remove inLedger from API version 2

* Set ledger_hash and ledger_index

* Move isValidated from RPCHelpers to LedgerMaster

* Store closeTime in LedgerFill

* Time formatting fix

* additional tests for Subscribe unit tests

* Improved comments

* Rename mInLedger to mLedgerIndex

* Minor fixes

* Set ledger_hash on closed ledger, even if not validated

* Update API-CHANGELOG.md

* Add ledger_hash, ledger_index to transaction_entry

* Fix validated and close_time_iso in account_tx

* Fix typos

* Improve getJson for Transaction and STTx

* Minor improvements

* Replace class enum JsonOptions with struct

We may consider turning this into a general-purpose template and using it elsewhere

* simplify the extraction of transactionID from Transaction object

* Remove obsolete comments

* Unconditionally set validated in account_tx output

* Minor improvements

* Minor fixes

---------

Co-authored-by: Chenna Keshava <ckeshavabs@gmail.com>

src/ripple/protocol/STObject.h

@@ -28,6 +28,7 @@
 #include <ripple/protocol/HashPrefix.h>
 #include <ripple/protocol/SOTemplate.h>
 #include <ripple/protocol/STAmount.h>
+#include <ripple/protocol/STBase.h>
 #include <ripple/protocol/STIssue.h>
 #include <ripple/protocol/STPathSet.h>
 #include <ripple/protocol/STVector256.h>