Apply compatible DB sync batches

crates/geth-control/src/lib.rs

@@ -461,6 +461,7 @@ pub enum ControlResponse {
         endpoint_id: String,
         name: String,
         changes_received: usize,
+        changes_applied: usize,
         max_db_version: Option<i64>,
         schema_match: bool,
         allowed: bool,
@@ -1228,6 +1229,7 @@ mod tests {
             endpoint_id: "endpoint:peer".to_owned(),
             name: "notes".to_owned(),
             changes_received: 1,
+            changes_applied: 1,
             max_db_version: Some(7),
             schema_match: true,
             allowed: true,