misc: Replace map_or on false with is_some_and

Replace `map_or()` on false condition with `is_some_and` to provide
better readability, as suggestted by v1.84.0-beta.1 `cargo clippy`.

Signed-off-by: Ruoqing He <heruoqing@iscas.ac.cn>

net_util/src/queue_pair.rs

@@ -468,7 +468,7 @@ impl NetQueuePair {
         let rate_limit_reached = self
             .rx_rate_limiter
             .as_ref()
-            .map_or(false, |r| r.is_blocked());
+            .is_some_and(|r| r.is_blocked());
 
         // Stop listening on the `RX_TAP_EVENT` when:
         // 1) there is no available describes, or