add missing fix_referencedevents_missing_sep key on fresh db creations

Signed-off-by: strawberry <strawberry@puppygock.gay>

src/service/migrations.rs

@@ -68,6 +68,7 @@ async fn fresh(services: &Services) -> Result<()> {
 	db["global"].insert(b"feat_sha256_media", []);
 	db["global"].insert(b"fix_bad_double_separator_in_state_cache", []);
 	db["global"].insert(b"retroactively_fix_bad_data_from_roomuserid_joined", []);
+	db["global"].insert(b"fix_referencedevents_missing_sep", []);
 
 	// Create the admin room and server user on first run
 	crate::admin::create_admin_room(services).boxed().await?;