Make bootstrap paths for data directory adhere to OpenBSD folder structure

Index: crates/jmap/src/registry/mapping/bootstrap.rs
--- crates/jmap/src/registry/mapping/bootstrap.rs.orig
+++ crates/jmap/src/registry/mapping/bootstrap.rs
@@ -644,7 +644,7 @@ fn build_default_bootstrap(server: &Server) -> Bootstr
 
     Bootstrap {
         data_store: DataStore::RocksDb(RocksDbStore {
-            path: "/var/lib/stalwart/".to_string(),
+            path: "/var/db/stalwart/".to_string(),
             ..Default::default()
         }),
         blob_store: BlobStore::Default,
