fix: resolve clippy warnings for --all-features CI build

Update share_service test impl to match upstream trait changes
(requester_id params, verify_shared_link_password returns ShareDto).
Fix map_or, collapsible_if, dead_code, too_many_arguments warnings.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/application/services/trash_service.rs

@@ -272,7 +272,7 @@ impl TrashUseCase for TrashService {
 
                 // Ownership check — return NotFound (not Forbidden) to
                 // prevent leaking whether the folder exists.
-                if folder.owner_id().map_or(true, |o| o != user_id) {
+                if folder.owner_id().is_none_or(|o| o != user_id) {
                     return Err(DomainError::not_found(
                         "Folder",
                         format!("Folder not found: {}", item_id),