feat: tree selectedKeys & selectedKeys support .sync modifier

Author: tangjinzhou

components/tree/DirectoryTree.jsx

@@ -144,6 +144,7 @@ export default {
       }
       newState._selectedKeys = newSelectedKeys
 
+      this.$emit('update:selectedKeys', newSelectedKeys)
       this.$emit('select', newSelectedKeys, event)
 
       this.setUncontrolledState(newState)
@@ -188,7 +189,7 @@ export default {
       ref: 'tree',
       class: `${prefixCls}-directory`,
       on: {
-        ...this.$listeners,
+        ...omit(this.$listeners, ['update:selectedKeys']),
         select: this.onSelect,
         click: this.onClick,
         doubleclick: this.onDoubleClick,

components/vc-tree/src/Tree.jsx

@@ -395,6 +395,7 @@ const Tree = {
         selectedNodes,
         nativeEvent: e,
       }
+      this.__emit('update:selectedKeys', selectedKeys)
       this.__emit('select', selectedKeys, eventObj)
     },
     onNodeCheck (e, treeNode, checked) {
@@ -516,6 +517,7 @@ const Tree = {
         expanded: targetExpanded,
         nativeEvent: e,
       })
+      this.__emit('update:expandedKeys', expandedKeys)
 
       // Async Load data
       if (targetExpanded && loadData) {