updated blue circle to check

frontend/src/app/chat/page.tsx

@@ -3,6 +3,7 @@
 import {
   AtSign,
   Bot,
+  Check,
   ChevronDown,
   ChevronRight,
   GitBranch,
@@ -2354,7 +2355,9 @@ function ChatPage() {
                         >
                           <span>No filter</span>
                           {!selectedFilter && (
-                            <div className="w-2 h-2 rounded-full bg-blue-500" />
+                           <Check
+                            className="h-4 w-4 shrink-0"
+                           />
                           )}
                         </button>
                       )}
@@ -2384,7 +2387,9 @@ function ChatPage() {
                               )}
                             </div>
                             {selectedFilter?.id === filter.id && (
-                              <div className="w-2 h-2 shrink-0 rounded-full bg-blue-500" />
+                              <Check
+                              className="h-4 w-4 shrink-0"
+                             />
                             )}
                           </button>
                         ))}