Checkmk Werk 13388: Tree of folders snapin: Fix default dropdowns

ID: 13388 Title: Tree of folders snapin: Fix default dropdowns Component: Multisite Level: 1 Class: Bug fix Version: 2.1.0i1 The snapin's second dropdown was not rendered when initially added to the sidebar. Only after choosing an option from the first dropdown, the second one appeared. This behavior is fixed to both dropdowns being visible upon the snapin's intial addition to the sidebar.