add npm restore task in targets

Author: nathanwoulfe

src/Umbraco.Forms.Integrations.Crm.ActiveCampaign/build/Microsoft.AspNetCore.ClientAssets.targets

@@ -27,7 +27,8 @@
 
 	<Target Name="ClientAssetsRestore" BeforeTargets="$(ClientAssetsRestoreBeforeTargets)" Inputs="$(ClientAssetsRestoreInputs)" Outputs="$(ClientAssetsRestoreOutputs)">
 		<Message Text="Restoring NPM packages" Importance="high" />
-	</Target>
+    <Exec Command="$(ClientAssetsRestoreCommand)" />
+  </Target>
 
 	<Target Name="ClientAssetsBuild" Condition="'$(ShouldRunClientAssetsBuild)' == 'true'" DependsOnTargets="ClientAssetsRestore" BeforeTargets="AssignTargetPaths" Inputs="@(ClientAssetsInputs)" Outputs="$(IntermediateOutputPath)clientassetsbuild.complete.txt">
 		<PropertyGroup>