Switch _contextRef and _id (#4632)

Author: JoviDeCroock

mangle.json

@@ -62,8 +62,8 @@
       "$_globalContext": "__n",
       "$_context": "c",
       "$_defaultValue": "__",
-      "$_id": "__l",
-      "$_contextRef": "__c",
+      "$_id": "__c",
+      "$_contextRef": "__l",
       "$_parentDom": "__P",
       "$_originalParentDom": "__O",
       "$_prevState": "__u",