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/pt/task-list-filters.json

@@ -52,5 +52,18 @@
   "selectCategory": "Selecionar uma categoria",
   "pleaseEnterAName": "Por favor, insira um nome",
   "pleaseSelectACategory": "Por favor, selecione uma categoria",
-  "create": "Criar"
+  "create": "Criar",
+
+  "searchTasks": "Pesquisar tarefas...",
+  "searchPlaceholder": "Pesquisar...",
+  "fieldsText": "Campos",
+  "loadingFilters": "Carregando filtros...",
+  "noOptionsFound": "Nenhuma opção encontrada",
+  "filtersActive": "filtros ativos",
+  "filterActive": "filtro ativo",
+  "clearAll": "Limpar tudo",
+  "clearing": "Limpando...",
+  "cancel": "Cancelar",
+  "search": "Pesquisar",
+  "groupedBy": "Agrupado por"
 }