Glad I can actually add something substantive to the conversation instead of just sneaking in for the answer.
Instead of what was originally was suggested in my version (Version 14.1) it is no more. Simply type the first part of her instructions but then go to the Library'+' in Xcode then click the 'Show the Media Library ' button (looks like a picture) and when you do that on the left your workspace image choices will show. Let me know if this helps!
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