Add drawing sharing functionality and localization updates

- Implemented sharing options for drawings, including sharing to a public channel and specific rooms.
- Added confirmation dialogs for deleting drawings and sharing drawings.
- Enhanced the drawing toolbar to display a list of user's drawings with options to share or delete.
- Updated localization files for English, Spanish, French, Croatian, Italian, German, Slovenian, and other languages to include new strings related to drawing sharing and management.
- Introduced syncing of drawing messages with the DrawingProvider to restore missing drawings.
- Improved the drawing minimap preview to display a small preview of drawings in the toolbar.

lib/l10n/app_localizations_es.dart

@@ -1821,4 +1821,39 @@ class AppLocalizationsEs extends AppLocalizations {
   String newDrawingsShared(int count, String plural) {
     return '$count nuevo(s) dibujo(s) compartido(s)';
   }
+
+  @override
+  String get shareDrawing => 'Compartir Dibujo';
+
+  @override
+  String get shareWithAllNearbyDevices =>
+      'Compartir con todos los dispositivos cercanos';
+
+  @override
+  String get shareToRoom => 'Compartir en Sala';
+
+  @override
+  String get sendToPersistentStorage =>
+      'Enviar a almacenamiento persistente de sala';
+
+  @override
+  String get deleteDrawingConfirm =>
+      '¿Está seguro de que desea eliminar este dibujo?';
+
+  @override
+  String get drawingDeleted => 'Dibujo eliminado';
+
+  @override
+  String yourDrawingsCount(int count) {
+    return 'Sus Dibujos ($count)';
+  }
+
+  @override
+  String get shared => 'Compartido';
+
+  @override
+  String get line => 'Línea';
+
+  @override
+  String get rectangle => 'Rectángulo';
 }