That moment when you create a new vault in Obsidian by moving a folder structure out of the current Obsidian vault, jump over to your new vault and all the extensions and css now needs to be set up from scratch ….
GAAAH !!!
Or is it … read on >>>
The ‘411’
In your obsidian folder - regardless of what you have called it ~ there is a hidden folder called ‘.obsidian’.
Change the name of that folder in your new vault to something else ( so you are all backed up)
Now copy that ‘hidden’ folder in your original vault to your new vault … and voila
Settings Sorted.
BISH BOSH