Fix dokieli unreliability #12
Description
It seems that sometimes Dokieli works as expected and other times it doesn't. For example, when dokieli is activated via the extension, some page loads it will work and others it won't, I'm not sure exactly why this is but there seems to be some kind of race condition going on.
Moreover, when building with Jupyter Book there is some kind of error that pops up on the JS side, resulting in this message:
