Refactor code for improved readability and consistency

- Simplified error handling in `PostgresApContentQuery` and `SqliteApContentQuery` by aligning the formatting of `try_get` calls.
- Removed unnecessary line breaks and improved formatting in various repository implementations for better readability.
- Consolidated imports in `lib.rs` and `factory.rs` to maintain a cleaner structure.
- Enhanced consistency in async function signatures across multiple files.
- Updated test helpers and use cases to streamline code and improve clarity.
- Refactored `InMemory` repositories to enhance readability by aligning method implementations.

crates/adapters/activitypub/src/event_handler.rs

@@ -105,7 +105,10 @@ impl ActivityPubEventHandler {
             .as_ref()
             .map(|m| m.title().value().to_string())
             .unwrap_or_else(|| "Unknown".to_string());
-        let release_year = movie.as_ref().map(|m| m.release_year().value()).unwrap_or(0);
+        let release_year = movie
+            .as_ref()
+            .map(|m| m.release_year().value())
+            .unwrap_or(0);
         let poster_url = movie
             .as_ref()
             .and_then(|m| m.poster_path())
@@ -152,7 +155,10 @@ impl ActivityPubEventHandler {
             .as_ref()
             .map(|m| m.title().value().to_string())
             .unwrap_or_else(|| "Unknown".to_string());
-        let release_year = movie.as_ref().map(|m| m.release_year().value()).unwrap_or(0);
+        let release_year = movie
+            .as_ref()
+            .map(|m| m.release_year().value())
+            .unwrap_or(0);
         let poster_url = movie
             .as_ref()
             .and_then(|m| m.poster_path())