fix: improve local search synchronization in KanbanFilters

- Added a ref to track user typing state to prevent overwriting local search when filters change externally.
- Ensured local search updates only occur when the user is not actively typing, enhancing user experience and reducing unnecessary updates.

src/components/kanban/KanbanFilters.tsx

@@ -90,13 +90,20 @@ export function KanbanFilters({ filters, onFiltersChange, hiddenStatuses: propsH
   }, [filters, onFiltersChange]);
 
   const handleSearchChange = (search: string) => {
+    isUserTypingRef.current = true;
     setLocalSearch(search);
     debouncedSearchChange(search);
   };
 
   // Synchroniser l'état local quand les filtres changent de l'extérieur
+  // mais seulement si ce n'est pas dû à notre propre saisie
+  const isUserTypingRef = useRef(false);
+  
   useEffect(() => {
-    setLocalSearch(filters.search || '');
+    if (!isUserTypingRef.current) {
+      setLocalSearch(filters.search || '');
+    }
+    isUserTypingRef.current = false;
   }, [filters.search]);
 
   // Nettoyer le timeout au démontage