fix(sdk): Implement SyncEvent for SyncRedactionEvent

crates/matrix-sdk/src/event_handler.rs

@@ -432,6 +432,13 @@ mod static_events {
     {
         const ID: (EventKind, &'static str) = (EventKind::State { redacted: true }, C::TYPE);
     }
+
+    impl SyncEvent for events::room::redaction::SyncRedactionEvent {
+        const ID: (EventKind, &'static str) = (
+            EventKind::Message { redacted: false },
+            events::room::redaction::RedactionEventContent::TYPE,
+        );
+    }
 }
 
 #[cfg(test)]