fix(desktop): satisfy MCP test clippy lint

Borrow the disabled mask for validation before moving it into the merge assertion, avoiding an unnecessary clone.

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

desktop/src-tauri/src/managed_agents/types/tests.rs

@@ -701,7 +701,7 @@ fn disabled_mask_requires_only_a_name() {
         env: vec![],
         enabled: false,
     };
-    validate_mcp_servers(&[mask.clone()]).unwrap();
+    validate_mcp_servers(std::slice::from_ref(&mask)).unwrap();
     assert!(
         merge_mcp_servers(&[mcp_server("shared", "global", true)], &[], &[mask])
             .unwrap()