Update src/Microsoft.DotNet.Arcade.Sdk/tools/TargetFrameworkFilters.BeforeCommonTargets.targets

Co-authored-by: Michael Simons <[email protected]>

Author: mmitche

src/Microsoft.DotNet.Arcade.Sdk/tools/TargetFrameworkFilters.BeforeCommonTargets.targets

@@ -6,7 +6,7 @@
     <_EnableTargetFrameworkFiltering Condition="'$(NoTargetFrameworkFiltering)' != 'true' and '$(DotNetTargetFrameworkFilter)' != ''">true</_EnableTargetFrameworkFiltering>
   </PropertyGroup>
 
-  <PropertyGroup Condition="$(_EnableTargetFrameworkFiltering)">
+  <PropertyGroup Condition="$(_EnableTargetFrameworkFiltering) == 'true'">
     <_OriginalTargetFrameworks Condition="'$(TargetFrameworks)' != ''">$(TargetFrameworks)</_OriginalTargetFrameworks>
     <_OriginalTargetFrameworks Condition="'$(TargetFramework)' != ''">$(TargetFramework)</_OriginalTargetFrameworks>
     <_FilteredTargetFrameworks>$([MSBuild]::Unescape($([MSBuild]::FilterTargetFrameworks('$(_OriginalTargetFrameworks)', '$(DotNetTargetFrameworkFilter)'))))</_FilteredTargetFrameworks>