Fix `delete_old_otks` job on worker deployments (#17960)

In a worker-mode deployment, the `E2eKeysHandler` is not necessarily
loaded, which means the handler for the `delete_old_otks` task will not
be registered. Make sure we load the handler.

Introduced in https://github.com/element-hq/synapse/pull/17934

1 files changed, 1 insertions, 0 deletions

diff --git a/synapse/server.py b/synapse/server.py

index c7b4918813..462e15cc2f 100644
--- a/synapse/server.py
+++ b/synapse/server.py
@@ -254,6 +254,7 @@ class HomeServer(metaclass=abc.ABCMeta):
         "auth",
         "deactivate_account",
         "delayed_events",
+        "e2e_keys",  # for the `delete_old_otks` scheduled-task handler
         "message",
         "pagination",
         "profile",