Merge pull request #7624 from ellemouton/marshalBytesAndStringTxid

multi: populate both string and byte TXID in lnrpc.Outpoint

docs/release-notes/release-notes-0.17.0.md

@@ -12,6 +12,11 @@
   wtdb.BackupIDs](https://github.com/lightningnetwork/lnd/pull/7623) instead of 
   the entire retribution struct. This reduces the amount of data that needs to 
   be held in memory. 
+ 
+## Misc
+
+* [Ensure that both the byte and string form of a TXID is populated in the 
+  lnrpc.Outpoint message](https://github.com/lightningnetwork/lnd/pull/7624). 
 
 ## RPC