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/de/task-list-filters.json

@@ -55,5 +55,18 @@
   "selectCategory": "Kategorie auswählen",
   "pleaseEnterAName": "Bitte geben Sie einen Namen ein",
   "pleaseSelectACategory": "Bitte wählen Sie eine Kategorie aus",
-  "create": "Erstellen"
+  "create": "Erstellen",
+
+  "searchTasks": "Aufgaben suchen...",
+  "searchPlaceholder": "Suchen...",
+  "fieldsText": "Felder",
+  "loadingFilters": "Filter werden geladen...",
+  "noOptionsFound": "Keine Optionen gefunden",
+  "filtersActive": "Filter aktiv",
+  "filterActive": "Filter aktiv",
+  "clearAll": "Alle löschen",
+  "clearing": "Löschen...",
+  "cancel": "Abbrechen",
+  "search": "Suchen",
+  "groupedBy": "Gruppiert nach"
 }