Also check runtime identifiers in asserts

Author: nagilson

src/Tasks/Microsoft.NET.Build.Tasks/targets/Microsoft.NET.RuntimeIdentifierInference.targets

@@ -162,19 +162,19 @@ Copyright (c) .NET Foundation. All rights reserved.
           Condition="'$(TargetFrameworkIdentifier)' == '.NETCoreApp' and '$(HasRuntimeOutput)' == 'true'">
 
     <!-- The following RID errors are asserts, and we don't expect them to ever occur. The error message is added as a safeguard.-->
-    <NETSdkError Condition="'$(SelfContained)' == 'true' and '$(RuntimeIdentifier)' == ''"
+    <NETSdkError Condition="'$(SelfContained)' == 'true' and '$(RuntimeIdentifier)' == '' and '$(RuntimeIdentifiers)' == ''"
                  ResourceName="ImplicitRuntimeIdentifierResolutionForPublishPropertyFailed"
                  FormatArguments="SelfContained"/>
 
-    <NETSdkError Condition="'$(PublishReadyToRun)' == 'true' and '$(RuntimeIdentifier)' == ''"
+    <NETSdkError Condition="'$(PublishReadyToRun)' == 'true' and '$(RuntimeIdentifier)' == '' and '$(RuntimeIdentifiers)' == ''"
                  ResourceName="ImplicitRuntimeIdentifierResolutionForPublishPropertyFailed"
                  FormatArguments="PublishReadyToRun"/>
 
-    <NETSdkError Condition="'$(PublishSingleFile)' == 'true' and '$(RuntimeIdentifier)' == ''"
+    <NETSdkError Condition="'$(PublishSingleFile)' == 'true' and '$(RuntimeIdentifier)' == '' and '$(RuntimeIdentifiers)' == ''"
                 ResourceName="ImplicitRuntimeIdentifierResolutionForPublishPropertyFailed"
                 FormatArguments="PublishSingleFile"/>
 
-    <NETSdkError Condition="'$(PublishAot)' == 'true' and '$(RuntimeIdentifier)' == ''"
+    <NETSdkError Condition="'$(PublishAot)' == 'true' and '$(RuntimeIdentifier)' == '' and '$(RuntimeIdentifiers)' == ''"
                 ResourceName="ImplicitRuntimeIdentifierResolutionForPublishPropertyFailed"
                 FormatArguments="PublishAot"/>