feat(DockView2): collapse panel to nearest edge

bump version 9.1.9

Author: ArgoZhang

src/BootstrapBlazor.Server/BootstrapBlazor.Server.csproj

@@ -31,7 +31,7 @@
     <PackageReference Include="BootstrapBlazor.Chart" Version="9.0.0" />
     <PackageReference Include="BootstrapBlazor.CherryMarkdown" Version="9.0.0" />
     <PackageReference Include="BootstrapBlazor.Dock" Version="9.0.0" />
-    <PackageReference Include="BootstrapBlazor.DockView" Version="9.1.8" />
+    <PackageReference Include="BootstrapBlazor.DockView" Version="9.1.9" />
     <PackageReference Include="BootstrapBlazor.DriverJs" Version="9.0.3" />
     <PackageReference Include="BootstrapBlazor.ElementIcon" Version="9.0.3" />
     <PackageReference Include="BootstrapBlazor.FileViewer" Version="9.0.0" />