Fix admin panel dropdown reset on window focus

app/upadaj/dashboard/page.tsx

@@ -154,16 +154,6 @@ export default function AdminDashboard() {
 
   useEffect(() => {
     fetchAllData();
-    
-    // Refresh when window regains focus
-    const handleFocus = () => {
-      fetchAllData();
-    };
-    window.addEventListener('focus', handleFocus);
-    
-    return () => {
-      window.removeEventListener('focus', handleFocus);
-    };
   }, []);
 
   // Sorting logic
@@ -721,7 +711,21 @@ function FilamentForm({
       cena_refill: refillPrice || 3499,
       cena_spulna: spulnaPrice || 3999,
     });
-  }, [filament, availableColors]);
+  }, [filament]);
+
+  // Update prices when color selection changes
+  useEffect(() => {
+    if (formData.boja && availableColors.length > 0) {
+      const colorData = availableColors.find(c => c.name === formData.boja);
+      if (colorData) {
+        setFormData(prev => ({
+          ...prev,
+          cena_refill: colorData.cena_refill || prev.cena_refill,
+          cena_spulna: colorData.cena_spulna || prev.cena_spulna,
+        }));
+      }
+    }
+  }, [formData.boja, availableColors.length]);
 
   const handleChange = (e: React.ChangeEvent<HTMLInputElement | HTMLSelectElement>) => {
     const { name, value } = e.target;