[ingress] Parse the value of delaySec query param (#1498)

This commit fixes a bug, where we previously tried parsing the
queryParam name (key) instead of its value.

crates/ingress-http/src/handler/service_handler.rs

@@ -328,7 +328,7 @@ fn parse_delay(query: Option<&str>) -> Result<Option<Duration>, HandlerError> {
         }
         if k.eq_ignore_ascii_case(DELAYSEC_QUERY_PARAM) {
             return Ok(Some(Duration::from_secs(
-                k.parse().map_err(HandlerError::BadDelaySecDuration)?,
+                v.parse().map_err(HandlerError::BadDelaySecDuration)?,
             )));
         }
     }