feat(task-filters): enhance localization and UI for task filters

- Added new translation keys for task filter functionalities across multiple languages, improving user experience and accessibility.
- Updated the ImprovedTaskFilters component to utilize localized strings for search placeholders, loading states, and filter messages.
- Enhanced styling for filter buttons and dropdowns to ensure consistency in both light and dark modes.
- Introduced a description column in task management components, improving the display of task details.

worklenz-frontend/public/locales/es/task-list-filters.json

@@ -51,5 +51,18 @@
   "selectCategory": "Seleccionar una categoría",
   "pleaseEnterAName": "Por favor, ingrese un nombre",
   "pleaseSelectACategory": "Por favor, seleccione una categoría",
-  "create": "Crear"
+  "create": "Crear",
+
+  "searchTasks": "Buscar tareas...",
+  "searchPlaceholder": "Buscar...",
+  "fieldsText": "Campos",
+  "loadingFilters": "Cargando filtros...",
+  "noOptionsFound": "No se encontraron opciones",
+  "filtersActive": "filtros activos",
+  "filterActive": "filtro activo",
+  "clearAll": "Limpiar todo",
+  "clearing": "Limpiando...",
+  "cancel": "Cancelar",
+  "search": "Buscar",
+  "groupedBy": "Agrupado por"
 }