Two problems with this plugin:

1. For non-wrapped components positioning, resizing and hiding will work incorrectly.
It needs:
if (!this.wrap) {
    this.wrap = this.el.wrap({cls: 'x-form-field-wrap'});
    this.positionEl = this.resizeEl = this.wrap;
    this.actionMode = 'wrap';
2. For wrapped components, putting another component inside the wrap can have unwanted side-effects:
- The ComboBox dropdown is positioned BELOW the helpText.
- The helpText below a HtmlEditor is displayed INSIDE the border.