feat(ModerationReports): enhance moderation reports functionality and UI

- Added topic and forum IDs to moderation report queries for better context.
- Updated admin interface to include links to open reported forum messages.
- Implemented methods to handle opening target messages directly from the moderation reports view.
- Enhanced internationalization support for new UI elements in both German and English.
- Improved scrolling behavior to focus on specific messages when navigating to them.

backend/services/moderationService.js

@@ -95,6 +95,8 @@ class ModerationService extends BaseService {
         r.id,
         r.target_type AS "targetType",
         r.target_id AS "targetId",
+        fm.title_id AS "topicId",
+        ft.forum_id AS "forumId",
         r.reason,
         r.details,
         r.status,
@@ -106,6 +108,10 @@ class ModerationService extends BaseService {
       FROM community.moderation_report r
       JOIN community.user reporter ON reporter.id = r.reporter_user_id
       LEFT JOIN community.user reviewer ON reviewer.id = r.reviewer_user_id
+      LEFT JOIN forum.message fm
+        ON r.target_type = 'forum_message'
+       AND fm.id = r.target_id
+      LEFT JOIN forum.title ft ON ft.id = fm.title_id
       WHERE r.status = :status
       ORDER BY r.created_at DESC
       LIMIT :limit