fix(desktop): replace map_or(false,...) with is_some_and per clippy

Resolve clippy::unnecessary-map-or in import_tests.rs from the P3
completion commit. No logic change.

Co-authored-by: Will Pfleger <pfleger.will@gmail.com>
Signed-off-by: Will Pfleger <pfleger.will@gmail.com>

desktop/src-tauri/src/commands/personas/snapshot/import_tests.rs

@@ -404,7 +404,7 @@ async fn test_agent_switch_between_store_and_profile_finishes_captured_outbound(
     assert!(
         memory_relay_seen
             .as_deref()
-            .map_or(false, |r| r.contains("captured.example")),
+            .is_some_and(|r| r.contains("captured.example")),
         "memory adapter relay_url must contain captured relay 'captured.example', \
          got: {memory_relay_seen:?}"
     );