Destroy correctly the color picker

src/domain_abstract/ui/InputColor.js

@@ -28,6 +28,11 @@ export default Input.extend({
     return `${this.ppfx}input-holder`;
   },
 
+  remove() {
+    Input.prototype.remove.apply(this, arguments);
+    this.colorEl.spectrum('destroy');
+  },
+
   /**
    * Set value to the model
    * @param {string} val

src/style_manager/view/PropertyColorView.js

@@ -9,6 +9,7 @@ export default PropertyIntegerView.extend({
 
   remove() {
     PropertyIntegerView.prototype.remove.apply(this, arguments);
+    this.inputInst.remove();
     ['inputInst', '$color'].forEach(i => (this[i] = {}));
   },