fix name and query of Components
* rename component Abc to XAbc to remove dwc warning
* remove 'x-abc >' from call like this.query('x-abc > ....') to find something
widget doesn't work with web_ui 0.4.5 => force use of 0.4.4
fix name and query of Components * rename component Abc to XAbc to remove dwc warning * remove 'x-abc >' from call like this.query('x-abc > ....') to find something (cont.)