Ensure all nodes have access to global context

Fixes #1230

red/runtime/nodes/context.js

@@ -44,10 +44,10 @@ function getContext(localId,flowId) {
     var newContext = createContext(contextId);
     if (flowId) {
         newContext.flow = getContext(flowId);
+    }
     if (globalContext) {
         newContext.global = globalContext;
     }
-    }
     contexts[contextId] = newContext;
     return newContext;
 }