Refine fix to handle undefined values correctly in WatchProviderSelector

Co-authored-by: sct <234213+sct@users.noreply.github.com>

src/components/Selector/index.tsx

@@ -315,13 +315,13 @@ export const WatchProviderSelector = ({
 
   // Sync internal state with props when they change
   useEffect(() => {
-    if (activeProviders) {
+    if (activeProviders !== undefined) {
       setActiveProvider(activeProviders);
     }
   }, [activeProviders]);
 
   useEffect(() => {
-    if (region) {
+    if (region !== undefined) {
       setWatchRegion(region);
     }
   }, [region]);