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_de.arb

@@ -2521,5 +2521,15 @@
   "drawingHidden": "Zeichnung von Karte ausgeblendet",
   "alreadyShared": "{count} bereits geteilt",
   "newDrawingsShared": "{count} neue Zeichnung(en) geteilt",
-  "drawingTools": "Zeichenwerkzeuge"
+  "drawingTools": "Zeichenwerkzeuge",
+  "shareDrawing": "Zeichnung teilen",
+  "shareWithAllNearbyDevices": "Mit allen Geräten in der Nähe teilen",
+  "shareToRoom": "In Raum teilen",
+  "sendToPersistentStorage": "An persistenten Raum-Speicher senden",
+  "deleteDrawingConfirm": "Möchten Sie diese Zeichnung wirklich löschen?",
+  "drawingDeleted": "Zeichnung gelöscht",
+  "yourDrawingsCount": "Ihre Zeichnungen ({count})",
+  "shared": "Geteilt",
+  "line": "Linie",
+  "rectangle": "Rechteck"
 }