VUX V2.7.8 released

Datetime

• [fix] fix `on-hide` event trigger twice #2379
• [fix] fix cannot set `show` to `true` initially

Picker

• [fix] Fix chain mode get value is wrong when the children is empty data.

PopupRadio

• [fix] fix popup-radio component does not support the border-intent property of the cell component.

Wechat

• [feature] support 1.3.0