fix: improve multiselect for webhook triggers (#1795)

Replaces https://github.com/documenso/documenso/pull/1660 with the same
code but targeting our main branch.

## Demo

![CleanShot 2025-02-18 at 18 01
05](https://github.com/user-attachments/assets/5afeab95-1a80-4d54-b845-b32cb2e33266)

packages/ui/lib/use-debounce.ts

@@ -0,0 +1,15 @@
+import React, { useEffect } from 'react';
+
+export const useDebounce = <T>(value: T, delay?: number): T => {
+  const [debouncedValue, setDebouncedValue] = React.useState<T>(value);
+
+  useEffect(() => {
+    const timer = setTimeout(() => setDebouncedValue(value), delay || 500);
+
+    return () => {
+      clearTimeout(timer);
+    };
+  }, [value, delay]);
+
+  return debouncedValue;
+};