[SOLVED] I found Tridion.SiteEdit.Templating dll on another SDL Tridion machine and saw that it contains two building blocks that seem to be missing.
In this environment, I manually added the dll, and then manually created two template building blocks + two parameter schemes that are required. Not the fastest way to do this, but it all works great!
If there is an easier way to solve this problem, please add the following :)
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