Make it easier for other view template segments to support folding

core/ui/ViewTemplate.tid

@@ -3,6 +3,9 @@ title: $:/core/ui/ViewTemplate
 \define frame-classes()
 tc-tiddler-frame tc-tiddler-view-frame $(missingTiddlerClass)$ $(shadowTiddlerClass)$ $(systemTiddlerClass)$ $(tiddlerTagClasses)$
 \end
+\define folded-state()
+$:/state/folded/$(currentTiddler)$
+\end
 <$set name="storyTiddler" value=<<currentTiddler>>><$set name="tiddlerInfoState" value=<<qualify "$:/state/popup/tiddler-info">>><$tiddler tiddler=<<currentTiddler>>><div class=<<frame-classes>>><$list filter="[all[shadows+tiddlers]tag[$:/tags/ViewTemplate]!has[draft.of]]" variable="listItem"><$transclude tiddler=<<listItem>>/></$list>
 </div>
 </$tiddler></$set></$set>

core/ui/ViewTemplate/body.tid

@@ -1,10 +1,6 @@
 title: $:/core/ui/ViewTemplate/body
 tags: $:/tags/ViewTemplate
 
-\define folded-state()
-$:/state/folded/$(currentTiddler)$
-\end
-
 <$reveal tag="div" class="tc-tiddler-body" type="nomatch" state=<<folded-state>> text="hide" retain="yes" animate="yes">
 
 <$list filter="[all[current]!has[plugin-type]!field:hide-body[yes]]">

core/ui/ViewTemplate/subtitle.tid

@@ -1,10 +1,6 @@
 title: $:/core/ui/ViewTemplate/subtitle
 tags: $:/tags/ViewTemplate
 
-\define folded-state()
-$:/state/folded/$(currentTiddler)$
-\end
-
 <$reveal type="nomatch" state=<<folded-state>> text="hide" tag="div" retain="yes" animate="yes">
 <div class="tc-subtitle">
 <$link to={{!!modifier}}>

core/ui/ViewTemplate/tags.tid

@@ -1,10 +1,6 @@
 title: $:/core/ui/ViewTemplate/tags
 tags: $:/tags/ViewTemplate
 
-\define folded-state()
-$:/state/folded/$(currentTiddler)$
-\end
-
 <$reveal type="nomatch" state=<<folded-state>> text="hide" tag="div" retain="yes" animate="yes">
 <div class="tc-tags-wrapper"><$list filter="[all[current]tags[]sort[title]]" template="$:/core/ui/TagTemplate" storyview="pop"/></div>
 </$reveal>