Update screenshot.

Author: ilopX

patterns/abstract_factory/tool_panel_factory/README.md

@@ -7,7 +7,7 @@ Tutorial: [here](https://refactoring.guru/design-patterns/abstract-factory).
 ### Online demo:
 Click on the picture to see the [demo](https://RefactoringGuru.github.io/design-patterns-dart/#/abstract_factory/tool_panel_factory).
 
-[![image](https://user-images.githubusercontent.com/8049534/168668992-369a1bab-9f97-4333-a20e-ffd06bf91b54.png)](https://refactoringguru.github.io/design-patterns-dart/#/abstract_factory/tool_panel_factory)
+[![image](https://user-images.githubusercontent.com/8049534/169530318-0ce7ee6a-3538-4398-a2ab-e6e85f2132b5.png)](https://refactoringguru.github.io/design-patterns-dart/#/abstract_factory/tool_panel_factory)
 
 ### About
 ![image](https://user-images.githubusercontent.com/8049534/169521422-052cc59a-7b3d-4889-8d76-5664a75b271a.png)
@@ -38,4 +38,3 @@ class PropertyPanel extends StatelessWidget {
   }
 }
 ```
-