Disable stylecop for backend build on azure

Linting issues are picked up by the analyze task

azure-pipelines.yml

@@ -44,6 +44,9 @@ stages:
 
       pool:
         vmImage: $(imageName)
+      variables:
+        # Disable stylecop here - linting errors get caught by the analyze task
+        EnableStylecop: 'false'
       steps:
       # Set the build name properly.  The 'name' property won't recursively expand so hack here:
       - powershell: Write-Host "##vso[build.updatebuildnumber]$($env:READARRVERSION)"

src/Directory.Build.props

@@ -92,7 +92,7 @@
   </ItemGroup>
 
   <!-- Set up stylecop -->
-  <ItemGroup Condition="'$(ReadarrProject)'=='true'">
+  <ItemGroup Condition="'$(ReadarrProject)'=='true' and '$(EnableStylecop)'!='false'">
     <!-- StyleCop analysis -->
     <PackageReference Include="StyleCop.Analyzers" Version="1.1.118">
       <PrivateAssets>all</PrivateAssets>