Fix Workflow Step Env overiding Parent Env

src/Runner.Worker/Handlers/CompositeActionHandler.cs

@@ -58,7 +58,7 @@ namespace GitHub.Runner.Worker.Handlers
             var envData = new Dictionary<string, string>();
 
             // Copy over parent environment
-            foreach (var env in ExecutionContext.EnvironmentVariables)
+            foreach (var env in Environment)
             {
                 envData[env.Key] = env.Value;
             }

src/Sdk/DTPipelines/Pipelines/ObjectTemplating/PipelineTemplateEvaluator.cs

@@ -160,8 +160,7 @@ namespace GitHub.DistributedTask.Pipelines.ObjectTemplating
         }
 
         public List<ActionStep> LoadCompositeSteps(
-            TemplateToken token
-        )
+            TemplateToken token)
         {
             var result = default(List<ActionStep>);
             if (token != null && token.Type != TokenType.Null)