Block ideal state operations towards buckets that are locked

Prevents ideal state ops from modifying buckets that are being used
in a read-for-write context.
Move `OperationSequencer` to main `Distributor` to more easily
facilitate sharing of it across components.

1 files changed, 2 insertions, 1 deletions

diff --git a/storage/src/tests/distributor/distributor_message_sender_stub.cpp b/storage/src/tests/distributor/distributor_message_sender_stub.cpp
index df894f1bb2c..893ebcd158a 100644
--- a/storage/src/tests/distributor/distributor_message_sender_stub.cpp
+++ b/storage/src/tests/distributor/distributor_message_sender_stub.cpp
@@ -12,7 +12,8 @@ namespace storage {
 DistributorMessageSenderStub::DistributorMessageSenderStub()
     : _stub_impl(),
       _cluster_name("storage"),
-      _pending_message_tracker(nullptr)
+      _pending_message_tracker(nullptr),
+      _operation_sequencer(nullptr)
 {}
 
 DistributorMessageSenderStub::~DistributorMessageSenderStub() = default;