Move ivars from `obj["@x"]` to `obj.x`.

Step 3: Inline JS.

src/Helios-Workspace.js

@@ -1479,7 +1479,7 @@ var self=this,$self=this;
 //>>excludeStart("ctx", pragmas.excludeDebugContexts);
 return $core.withContext(function($ctx1) {
 //>>excludeEnd("ctx");
-$self["@editor"] = codeMirrorLib.fromTextArea(aTextarea, $self._editorOptions());
+$self.editor = codeMirrorLib.fromTextArea(aTextarea, $self._editorOptions());
 return self;
 //>>excludeStart("ctx", pragmas.excludeDebugContexts);
 }, function($ctx1) {$ctx1.fill(self,"setEditorOn:",{aTextarea:aTextarea},$globals.HLCodeWidget)});
@@ -1487,7 +1487,7 @@ return self;
 },
 //>>excludeStart("ide", pragmas.excludeIdeData);
 args: ["aTextarea"],
-source: "setEditorOn: aTextarea\x0a\x09<inlineJS: '$self[\x22@editor\x22] = codeMirrorLib.fromTextArea(aTextarea, $self._editorOptions())'>",
+source: "setEditorOn: aTextarea\x0a\x09<inlineJS: '$self.editor = codeMirrorLib.fromTextArea(aTextarea, $self._editorOptions())'>",
 referencedClasses: [],
 //>>excludeEnd("ide");
 messageSends: []

src/Helios-Workspace.st

@@ -235,7 +235,7 @@ saveIt
 !
 
 setEditorOn: aTextarea
-	<inlineJS: '$self["@editor"] = codeMirrorLib.fromTextArea(aTextarea, $self._editorOptions())'>
+	<inlineJS: '$self.editor = codeMirrorLib.fromTextArea(aTextarea, $self._editorOptions())'>
 ! !
 
 !HLCodeWidget methodsFor: 'hints'!