You can put your scenario in either location.
Anyway I think you are getting confused with scn files. These are non expansion scenarios which will NOT appear on the load screen online. You need to convert them to scx.
Simply open the scenario in the editor and press save. That will generate an scx version and fix the problem!
The boy with the mad imagination
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Learn to use all my triggers and what you can do with them. Visit here.
Find out and download the transform trigger here.
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