Work CI-CD

- Add RestoreLockedMode property for AZDO builds.

***NO_CI***

nanoFramework.Benchmark/nanoFramework.Benchmark.nfproj

@@ -17,6 +17,7 @@
     <TargetFrameworkVersion>v1.0</TargetFrameworkVersion>
     <DocumentationFile>bin\$(Configuration)\nanoFramework.Benchmark.xml</DocumentationFile>
     <RestorePackagesWithLockFile>true</RestorePackagesWithLockFile>
+    <RestoreLockedMode Condition="'$(TF_BUILD)' == 'True' or '$(ContinuousIntegrationBuild)' == 'True'">true</RestoreLockedMode>
   </PropertyGroup>
   <PropertyGroup>
     <SignAssembly>true</SignAssembly>