feat: save memo before dismissing canvas view

Memola/Canvas/Contexts/GraphicContext.swift

@@ -203,15 +203,15 @@ extension GraphicContext {
             withPersistence(\.backgroundContext) { [penStroke] context in
                 penStroke.object?.bounds = penStroke.bounds
                 try context.saveIfNeeded()
-                if let object = penStroke.object {
-                    context.refresh(object, mergeChanges: false)
-                }
+                context.refreshAllObjects()
             }
         } else if let eraserStroke = currentStroke.stroke(as: EraserStroke.self) {
             eraserStroke.saveQuads()
             eraserStrokes.insert(eraserStroke)
-            withPersistence(\.backgroundContext) { context in
+            withPersistence(\.backgroundContext) { [eraserStroke] context in
+                eraserStroke.object?.bounds = eraserStroke.bounds
                 try context.saveIfNeeded()
+                context.refreshAllObjects()
             }
         }
         previousStroke = currentStroke

Memola/Features/Memo/Toolbar/Toolbar.swift

@@ -128,15 +128,15 @@ struct Toolbar: View {
     }
 
     func closeMemo() {
-        DispatchQueue.global(qos: .userInitiated).async {
+        withAnimation {
+            canvas.state = .closing
+        }
+        withPersistence(\.backgroundContext) { context in
+            try? context.saveIfNeeded()
             DispatchQueue.main.async {
-                canvas.state = .closing
-            }
-            withPersistenceSync(\.viewContext) { context in
-                try context.saveIfNeeded()
-            }
-            DispatchQueue.main.async {
-                canvas.state = .closed
+                withAnimation {
+                    canvas.state = .closed
+                }
                 dismiss()
             }
         }