feat: reintroduce ColumnVisibilityToggle in KanbanFilters

- Moved `ColumnVisibilityToggle` from `Board` and `SwimlanesBase` to `KanbanFilters` for better accessibility.
- Updated `KanbanFilters` to manage column visibility, enhancing user control over displayed statuses.
- Cleaned up unused imports and adjusted layout for improved UI consistency.

components/kanban/SwimlanesBase.tsx

@@ -4,7 +4,6 @@ import { Task, TaskStatus } from '@/lib/types';
 import { TaskCard } from './TaskCard';
 import { useState } from 'react';
 import { useColumnVisibility } from '@/hooks/useColumnVisibility';
-import { ColumnVisibilityToggle } from './ColumnVisibilityToggle';
 import { getAllStatuses } from '@/lib/status-config';
 import {
   DndContext,
@@ -158,18 +157,10 @@ export function SwimlanesBase({
           </h2>
         </div>
 
-        {/* Headers des colonnes avec boutons toggle */}
-        <div className="flex items-center justify-between px-6 pb-4">
-          <ColumnVisibilityToggle
-            hiddenStatuses={hiddenStatuses}
-            onToggleStatus={toggleStatusVisibility}
-            tasks={tasks}
-          />
-        </div>
 
         {/* Headers des colonnes visibles */}
         <div 
-          className={`grid gap-4 px-6 pb-4 ml-8`}
+          className={`grid gap-4 px-6 py-4 ml-8`}
           style={{ gridTemplateColumns: `repeat(${visibleStatuses.length}, minmax(0, 1fr))` }}
         >
           {visibleStatuses.map(status => {