message: fix(color-generator): update colors from CSS
diff: @@ -16,9 +16,9 @@ export class CssText {
  @Event() cssTextChange!: EventEmitter;
  onCssTextChange(ev: Event) {
  - if ((ev.target as HTMLTextAreaElement).value !== this.cssText) {
  - const value = (ev.target as HTMLTextAreaElement).value;
  - if (value.length === 0) { return; }
  + if ((ev.target as HTMLDivElement).textContent !== this.cssText) {
  + const value = (ev.target as HTMLDivElement).textContent;
  + if (value === null || value.length === 0) { return; }
  this.cssText = value;
  