Don't implicitly parseSubTree in ContentModelEntryNode

Author: scriptype

src/compiler/contentModel/models/asset.js

@@ -12,6 +12,7 @@ class Asset extends ContentModelResourceNode {
 
   constructor(fsNode, context, settings = defaultSettings) {
     super(fsNode, context, settings)
+    this.subtree = this.parseSubtree()
   }
 
   getPermalink() {

src/compiler/contentModel/models/attachment.js

@@ -7,6 +7,7 @@ class Attachment extends ContentModelResourceNode {
 
   constructor(fsNode, context, settings) {
     super(fsNode, context, settings)
+    this.subtree = this.parseSubtree()
   }
 
   render(renderer) {

src/compiler/contentModel/models/collection/category.js

@@ -71,6 +71,8 @@ class Category extends ContentModelEntryNode {
   constructor(fsNode, context, settings = defaultSettings) {
     super(fsNode, context, settings)
 
+    this.subtree = this.parseSubtree()
+
     if (fsNode.isDefaultCategory) {
       return this.makeDefaultCategory()
     }

src/compiler/contentModel/models/collection/index.js

@@ -76,6 +76,7 @@ class Collection extends ContentModelEntryNode {
 
   constructor(fsNode, context, settings = defaultSettings) {
     super(fsNode, context, settings)
+    this.subtree = this.parseSubtree()
   }
 
   getSlug() {

src/compiler/contentModel/models/collection/post.js

@@ -26,6 +26,8 @@ class Post extends ContentModelEntryNode {
 
     this.contentType = this.settings.entryContentType
     this.schema = this.settings.contentTypes.find(ct => ct.name === this.contentType)
+
+    this.subtree = this.parseSubtree()
   }
 
   getSubtreeMatchers() {

src/compiler/contentModel/models/homepage.js

@@ -19,6 +19,7 @@ class Homepage extends ContentModelEntryNode {
 
   constructor(fsNode, context, settings = defaultSettings) {
     super(fsNode, context, settings)
+    this.subtree = this.parseSubtree()
   }
 
   getPermalink() {

src/compiler/contentModel/models/subpage.js

@@ -19,6 +19,7 @@ class Subpage extends ContentModelEntryNode {
 
   constructor(fsNode, context, settings = defaultSettings) {
     super(fsNode, context, settings)
+    this.subtree = this.parseSubtree()
   }
 
   getSubtreeMatchers() {

src/lib/ContentModelEntryNode.js

@@ -25,8 +25,6 @@ class ContentModelEntryNode extends ContentModelNode {
     this.slug = this.getSlug()
     this.permalink = this.getPermalink()
     this.outputPath = this.getOutputPath()
-
-    this.subtree = this.parseSubtree()
   }
 
   getIndexFile() {