fix: undo operation on signature pad (#868)

fixes: #864

packages/lib/client-only/hooks/use-effect-once.ts

@@ -0,0 +1,13 @@
+import type { EffectCallback } from 'react';
+import { useEffect } from 'react';
+
+/**
+ * Dangerously runs an effect "once" by ignoring the depedencies of a given effect.
+ *
+ * DANGER: The effect will run twice in concurrent react and development environments.
+ */
+export const unsafe_useEffectOnce = (callback: EffectCallback) => {
+  // Intentionally avoiding exhaustive deps and rule of hooks here
+  // eslint-disable-next-line react-hooks/exhaustive-deps, react-hooks/rules-of-hooks
+  return useEffect(callback, []);
+};