Parse bs_tree value to JSON if it is string

A string value does not work in javascript objects, so the tree had problems with refreshing after deleting classes in miq_ae_class

app/controllers/application_controller.rb

@@ -2143,7 +2143,11 @@ def controller_for_common_methods
   def reload_trees_by_presenter(presenter, trees)
     trees.each do |tree|
       next unless tree.present?
-      presenter.reload_tree(tree.name, tree.locals_for_render[:bs_tree])
+      if tree.locals_for_render[:bs_tree].kind_of?(String)
+        presenter.reload_tree(tree.name, JSON.parse(tree.locals_for_render[:bs_tree]))
+      else
+        presenter.reload_tree(tree.name, tree.locals_for_render[:bs_tree])
+      end
     end
   end