Fix setting account's full name via ssh

While the fetched Account object had its full name updated, the
object was not flagged as updated, so the change was not pushed back
to the database. We now flag the account as updated and hence the new
full name gets written to the database.

Change-Id: I79ca6df458170af97ab7afde3125a8d7cec5ca17

gerrit-sshd/src/main/java/com/google/gerrit/sshd/commands/SetAccountCommand.java

@@ -147,6 +147,7 @@ final class SetAccountCommand extends BaseCommand {
     if (fullName != null) {
       if (realm.allowsEdit(FieldName.FULL_NAME)) {
         account.setFullName(fullName);
+        accountUpdated = true;
       } else {
         throw new UnloggedFailure(1, "The realm doesn't allow editing names");
       }