fix: rerender UI on `renderFooter` prop change (#3183)

src/components/LayerUI.tsx

@@ -704,6 +704,7 @@ const areEqual = (prev: LayerUIProps, next: LayerUIProps) => {
 
   const keys = Object.keys(prevAppState) as (keyof Partial<AppState>)[];
   return (
+    prev.renderCustomFooter === next.renderCustomFooter &&
     prev.langCode === next.langCode &&
     prev.elements === next.elements &&
     keys.every((key) => prevAppState[key] === nextAppState[key])