fix(Modal): TypeScript manager typings (#4866)

* Update Modal.d.ts

* Update Modal.d.ts
Co-authored-by: Max Schmitt <max@schmitt.mx>

types/components/Modal.d.ts

@@ -27,6 +27,7 @@ export interface ModalProps extends TransitionCallbacks {
   container?: any;
   scrollable?: boolean;
   onEscapeKeyDown?: () => void;
+  manager?: any;
 }
 
 declare class Modal<