refactor(react/ribbon): use custom method for injecting handlers

apps/client/src/widgets/react/hooks.tsx

@@ -538,4 +538,11 @@ export function useTooltip(elRef: RefObject<HTMLElement>, config: Partial<Toolti
     }, [ elRef ]);
 
     return { showTooltip, hideTooltip };
+}
+
+export function useLegacyImperativeHandlers(handlers: Record<string, Function>) {
+    const parentComponent = useContext(ParentComponent);
+    useEffect(() => {
+        Object.assign(parentComponent as any, handlers);
+    }, [ handlers ])
 }