chore: minor modify.

Author: NaBian

src/Shared/HandyControl_Shared/HandyControl_Shared.projitems

@@ -107,7 +107,7 @@
     <Compile Include="$(MSBuildThisFileDirectory)Data\Enum\LinearLayout.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Data\Enum\RunningDirection.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Tools\Helper\ControlTokenManager`1.cs" />
-    <Compile Include="..\..\Shared\HandyControl_Shared\Input\SimpleMouseBinding.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Input\SimpleMouseBinding.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Interactivity\EventToCommand.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Interactivity\IEventArgsConverter.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Interactivity\MouseDragElementBehaviorEx.cs" />