Unify ordering in Crypt.java

Author: rozza

driver-reactive-streams/src/main/com/mongodb/reactivestreams/client/internal/crypt/Crypt.java

@@ -370,8 +370,8 @@ private void decryptKeys(final MongoCryptContext cryptContext,
                     .subscribe();
         } else {
             Mono.fromRunnable(cryptContext::completeKeyDecryptors)
-                    .doOnSuccess(r -> executeStateMachineWithSink(cryptContext, databaseName, sink, operationTimeout))
                     .contextWrite(sink.contextView())
+                    .doOnSuccess(r -> executeStateMachineWithSink(cryptContext, databaseName, sink, operationTimeout))
                     .doOnError(e -> sink.error(wrapInClientException(e)))
                     .subscribe();
         }