Fixes #1220. Passing in the raw attributes to the component settings treema would edit the data before the component's set method would get a snapshot of the original data for whatever was the first change in the data.

app/models/CocoModel.coffee

@@ -211,7 +211,7 @@ class CocoModel extends Backbone.Model
     try
       jsondiffpatch.patch newAttributes, delta
     catch error
-      console.error 'Error applying delta', delta, 'to attributes', newAttributes, error
+      console.error 'Error applying delta\n', JSON.stringify(delta, null, '\t'), '\n\nto attributes\n\n', newAttributes
       return false
     @set newAttributes
     return true

app/views/editor/level/component/edit.coffee

@@ -45,6 +45,7 @@ module.exports = class LevelComponentEditView extends View
 
   buildSettingsTreema: ->
     data = _.pick @levelComponent.attributes, (value, key) => key in @editableSettings
+    data = $.extend(true, {}, data)
     schema = _.cloneDeep LevelComponent.schema
     schema.properties = _.pick schema.properties, (value, key) => key in @editableSettings
     schema.required = _.intersection schema.required, @editableSettings