Also upload annotations if page was cleared

lib/features/sheet_viewer/sheet_viewer_page.dart

@@ -161,14 +161,12 @@ class _SheetViewerPageState extends State<SheetViewerPage>
       );
 
       // Upload left page to server
-      if (leftHasContent) {
       _syncService.uploadAnnotation(
         sheetUuid: widget.sheet.uuid,
         page: _currentPage,
         annotationsJson: leftJson,
         lastModified: now,
       );
-      }
 
       _leftDrawingController.markSaved();
     }
@@ -188,14 +186,12 @@ class _SheetViewerPageState extends State<SheetViewerPage>
       );
 
       // Upload right page to server
-      if (rightHasContent) {
       _syncService.uploadAnnotation(
         sheetUuid: widget.sheet.uuid,
         page: _currentPage + 1,
         annotationsJson: rightJson,
         lastModified: now,
       );
-      }
 
       _rightDrawingController.markSaved();
     }
@@ -300,8 +296,9 @@ class _SheetViewerPageState extends State<SheetViewerPage>
           icon: Icon(
             widget.config.fullscreen ? Icons.fullscreen_exit : Icons.fullscreen,
           ),
-          tooltip:
-              widget.config.fullscreen ? 'Exit Fullscreen' : 'Enter Fullscreen',
+          tooltip: widget.config.fullscreen
+              ? 'Exit Fullscreen'
+              : 'Enter Fullscreen',
           onPressed: _toggleFullscreen,
         ),
         IconButton(
@@ -313,8 +310,9 @@ class _SheetViewerPageState extends State<SheetViewerPage>
           icon: Icon(
             widget.config.twoPageMode ? Icons.filter_1 : Icons.filter_2,
           ),
-          tooltip:
-              widget.config.twoPageMode ? 'Single Page Mode' : 'Two Page Mode',
+          tooltip: widget.config.twoPageMode
+              ? 'Single Page Mode'
+              : 'Two Page Mode',
           onPressed: _toggleTwoPageMode,
         ),
       ],
@@ -346,8 +344,9 @@ class _SheetViewerPageState extends State<SheetViewerPage>
       currentPageNumber: _currentPage,
       config: widget.config,
       leftDrawingController: _leftDrawingController,
-      rightDrawingController:
-          widget.config.twoPageMode ? _rightDrawingController : null,
+      rightDrawingController: widget.config.twoPageMode
+          ? _rightDrawingController
+          : null,
       drawingEnabled: _isPaintMode,
     );