Configuring a "base inventory folder" in the "Add Items" window will facilitate adding items if you put all your items you're about to add to your Wardrobe in a specific folder within your #RLV folder. When configured, it will allow you to pick folder names from a dropdown so you don't have to enter or copy-paste them into the title field manually.
In the "Add Items" window, click the button highlighted in the screenshot below to set the "base inventory folder".
In the dialog that will open, select the folder into which you move all the items you still have to add to your Wardrobe.
When done, you can pick the folder name from the dropdown:
