Assistant: Do not log cancellation errors from FileProvider queries

Author: https://github.com/tcl3
Commit: 493fc65e42
Pull-request: https://github.com/SerenityOS/serenity/pull/18331
Reviewed-by: https://github.com/LucasChollet
Reviewed-by: https://github.com/alimpfard
Reviewed-by: https://github.com/linusg

Userland/Applications/Assistant/Providers.cpp

@@ -174,6 +174,9 @@ void FileProvider::query(DeprecatedString const& query, Function<void(Vector<Non
                 on_complete(move(results.value()));
 
             return {};
+        },
+        [](auto) {
+            // Ignore cancellation errors.
         });
 }