Fix reliable submission masking legitimate error with type error (#1996)

* Avoid unsafe access to error.data.error

* Update HISTORY.md

packages/xrpl/HISTORY.md

@@ -5,6 +5,7 @@ Subscribe to [the **xrpl-announce** mailing list](https://groups.google.com/g/xr
 ## Unreleased
 ### Fixed
 * Client.disconnect() now stops the heartbeat health check as well
+* Errors during reliable submission with no error message now properly show the preliminary result instead of a type error
 
 ## 2.2.3 (2022-05-04)
 ### Fixed

packages/xrpl/src/sugar/submit.ts

@@ -148,7 +148,7 @@ async function waitForFinalTransactionOutcome(
     .catch(async (error) => {
       // error is of an unknown type and hence we assert type to extract the value we need.
       // eslint-disable-next-line @typescript-eslint/consistent-type-assertions,@typescript-eslint/no-unsafe-member-access -- ^
-      const message = error.data.error as string
+      const message = error?.data?.error as string
       if (message === 'txnNotFound') {
         return waitForFinalTransactionOutcome(
           client,