Add server timing for parameter binding in query execution

- Recorded server timing for the parameter binding process in the query execution flow.
- Updated tests to verify the inclusion of the new timing event in the server timing header.

Author: lovasoa

src/webserver/database/execute_queries.rs

@@ -58,6 +58,7 @@ pub fn stream_query_results_with_conn<'a>(
                 },
                 ParsedStatement::StmtWithParams(stmt) => {
                     let query = bind_parameters(stmt, request, db_connection).await?;
+                    request.server_timing.record("bind_params");
                     let connection = take_connection(&request.app_state.db, db_connection, request).await?;
                     log::trace!("Executing query {:?}", query.sql);
                     let mut stream = connection.fetch_many(query);

tests/server_timing/mod.rs

@@ -54,6 +54,10 @@ async fn test_server_timing_enabled_in_development() -> actix_web::Result<()> {
         header_value.contains("parse_req;dur="),
         "Should contain parse_req timing: {header_value}"
     );
+    assert!(
+        header_value.contains("bind_params;dur="),
+        "Should contain bind_params timing: {header_value}"
+    );
     assert!(
         header_value.contains("db_conn;dur="),
         "Should contain db_conn timing: {header_value}"
@@ -78,7 +82,7 @@ async fn test_server_timing_format() -> actix_web::Result<()> {
     let header_value = server_timing_header.to_str().unwrap();
 
     let parts: Vec<&str> = header_value.split(", ").collect();
-    assert!(parts.len() >= 4, "Should have at least 4 timing events");
+    assert!(parts.len() >= 5, "Should have at least 5 timing events");
 
     for part in parts {
         assert!(