Fix color input trait. Closes #3931

src/domain_abstract/ui/InputColor.js

@@ -82,10 +82,9 @@ export default Input.extend({
    */
   getColorEl() {
     if (!this.colorEl) {
-      const { em } = this;
+      const { em, model } = this;
       const self = this;
       const ppfx = this.ppfx;
-      var model = this.model;
 
       var colorEl = $(`<div class="${this.ppfx}field-color-picker"></div>`);
       var cpStyle = colorEl.get(0).style;

src/trait_manager/model/Trait.js

@@ -47,6 +47,10 @@ export default Backbone.Model.extend({
     this.set({ value }, { fromTarget: 1 });
   },
 
+  getValue() {
+    return this.getTargetValue();
+  },
+
   getTargetValue() {
     const name = this.get('name');
     const target = this.target;