refactor: 更新画笔应用资源路径

Author: ArgoZhang

src/BootstrapBlazor.Shared/Components/Samples/Tutorials/DrawingApp.razor

@@ -2,7 +2,7 @@
 @inject MessageService MessageService
 @inject DownloadService DownloadService
 @inherits BootstrapModuleComponentBase
-@attribute [JSModuleAutoLoader("../../_content/BootstrapBlazor.Shared/Components/Components/Samples/Tutorials/DrawingApp.razor.js")]
+@attribute [JSModuleAutoLoader("../../_content/BootstrapBlazor.Shared/Components/Samples/Tutorials/DrawingApp.razor.js")]
 
 <div>
     <canvas id="@Id" class="drawing-canvas"></canvas>