feat: Enhance message handling for drawings

- Added properties to the Message model to track drawing status and associated drawing ID.
- Updated AppProvider to mark messages as drawings and link them to their respective drawing IDs.
- Enhanced DrawingProvider to manage received drawings and their visibility.
- Implemented navigation to drawings in MapProvider, including dynamic zoom levels based on drawing size.
- Updated MessagesProvider to parse drawing messages and manage linked drawings.
- Enhanced MessagesTab to support drawing message interactions, including navigation and coordinate copying.
- Created DrawingMinimapPreview widget for visual representation of drawings in message bubbles.
- Improved DrawingToolbar to handle sharing of drawings, ensuring only unshared drawings are sent.
- Added utility functions in DrawingMessageParser for extracting drawing metadata.

lib/l10n/app_localizations_de.dart

@@ -1782,4 +1782,42 @@ class AppLocalizationsDe extends AppLocalizations {
 
   @override
   String get sampleMedicalTeam => 'Medizinisches Team';
+
+  @override
+  String get mapDrawing => 'Kartenzeichnung';
+
+  @override
+  String get navigateToDrawing => 'Zur Zeichnung navigieren';
+
+  @override
+  String get copyCoordinates => 'Koordinaten kopieren';
+
+  @override
+  String get hideFromMap => 'Von Karte ausblenden';
+
+  @override
+  String get lineDrawing => 'Linie';
+
+  @override
+  String get rectangleDrawing => 'Rechteck';
+
+  @override
+  String get coordinatesCopiedToClipboard =>
+      'Koordinaten in Zwischenablage kopiert';
+
+  @override
+  String get drawingShared => 'Kartenzeichnung';
+
+  @override
+  String get drawingHidden => 'Zeichnung von Karte ausgeblendet';
+
+  @override
+  String alreadyShared(int count) {
+    return '$count bereits geteilt';
+  }
+
+  @override
+  String newDrawingsShared(int count, String plural) {
+    return '$count neue Zeichnung(en) geteilt';
+  }
 }