fix debugger

src/app/components/vertical-icons-component.js

@@ -89,6 +89,14 @@ class VerticalIconComponent {
     if (this.icons[name]) this.iconKind[kind || 'other'].removeChild(this.icons[name])
   }
 
+  selected () {
+    let currentActive = this.view.querySelector(`.${css.active}`)
+    if (currentActive) {
+      return currentActive.getAttribute('title')
+    }
+    return null
+  }
+
   select (name) {
     let currentActive = this.view.querySelector(`.${css.active}`)
     if (currentActive) {

src/app/debugger/debuggerUI/vmDebugger/DropdownPanel.js

@@ -98,11 +98,10 @@ DropdownPanel.prototype.update = function (_data, _header) {
 
 DropdownPanel.prototype.setContent = function (node) {
   if (!this.view) return
-  var parent = this.view.querySelector('.dropdownpanel div.dropdowncontent')
-  parent.replaceChild(node, parent.firstElementChild)
+  yo.update(this.view, this.render(null, node))
 }
 
-DropdownPanel.prototype.render = function (overridestyle) {
+DropdownPanel.prototype.render = function (overridestyle, node) {
   var content = yo`<div>Empty</div>`
   if (this.json) {
     content = this.treeView.render({})
@@ -117,7 +116,7 @@ DropdownPanel.prototype.render = function (overridestyle) {
 
   var contentNode = yo`<div class='dropdownpanel ${css.dropdownpanel}' style='display:none'>
       <i class="${css.refresh} fa fa-refresh" aria-hidden="true"></i>
-      <div class='dropdowncontent'>${content}</div>
+      <div class='dropdowncontent'>${node || content}</div>
       <div class='dropdownrawcontent' style='display:none'></div>
       <div class='message' style='display:none'></div>
     </div>`