feat(VocabPracticeDialog, localization): implement last wrong answer review feature

- Added a new section in VocabPracticeDialog to display the last incorrect answer, including the asked vocabulary, user answer, and correct solutions.
- Updated localization strings in Cebuano, German, English, Spanish, and French to support the new review feature, enhancing user experience across multiple languages.
- Improved UI layout for the review section to provide clearer feedback during vocabulary training sessions.

frontend/src/i18n/locales/de/socialnetwork.json

@@ -453,6 +453,8 @@
                 "acceptable": "Mögliche richtige Übersetzungen:",
                 "correctSolutions": "Richtige Antwort:",
                 "yourAnswer": "Deine Antwort:",
+                "wrongReviewTitle": "Vorherige falsche Antwort",
+                "askedVocab": "Abgefragt:",
                 "stats": "Statistik",
                 "dueToday": "Heute fällig",
                 "done": "Erledigt",