Revert unnecessary changes in intellij tree

Author: Flanker32

PluginsAndFeatures/azure-toolkit-for-intellij/azure-intellij-plugin-lib/src/main/java/com/microsoft/azure/toolkit/intellij/common/component/Tree.java

@@ -150,7 +150,6 @@ private void refreshChildrenView() {
         @Override
         @AzureOperation(name = "common.load_children.node", params = "this.getLabel()", type = AzureOperation.Type.ACTION)
         public synchronized void refreshChildren(boolean... incremental) {
-            Optional.ofNullable(this.inner).ifPresent(ignore -> this.setAllowsChildren(inner.hasChildren()));
             if (this.getAllowsChildren() && BooleanUtils.isNotFalse(this.loaded)) {
                 final DefaultTreeModel model = (DefaultTreeModel) this.tree.getModel();
                 if (incremental.length > 0 && incremental[0] && Objects.nonNull(model)) {
@@ -162,9 +161,6 @@ public synchronized void refreshChildren(boolean... incremental) {
                 }
                 this.loaded = null;
                 this.loadChildren(incremental);
-            } else if (!this.getAllowsChildren()) {
-                this.removeAllChildren();
-                this.refreshChildrenView();
             }
         }