Load sdk reference book data with runLater, fixes #7089

Author: Flanker32

PluginsAndFeatures/azure-toolkit-for-intellij/azure-sdk-reference-book/src/main/java/com/microsoft/azure/toolkit/intellij/azuresdk/referencebook/AzureSdkTreePanel.java

@@ -187,7 +187,7 @@ private void loadData(final Map<String, List<AzureSdkCategoryEntity>> categoryTo
                 .stream().sorted(Comparator.comparing(AzureSdkCategoryEntity::getServiceName))
                 .forEach(categoryService -> {
                     final AzureSdkServiceEntity service = serviceMap.get(getServiceKeyByName(categoryService.getServiceName()));
-                    this.loadServiceData(service, categoryService, categoryNode, filters);
+                    AzureTaskManager.getInstance().runLater(() -> this.loadServiceData(service, categoryService, categoryNode, filters));
                 });
             if (ArrayUtils.isEmpty(filters) || categoryMatched || categoryNode.getChildCount() > 0) {
                 this.model.insertNodeInto(categoryNode, root, root.getChildCount());