Run `await ds.invoke_startup()`

It looks like Datasette Lite does NOT invoke that method, which is likely a bug:

datasette-lite/webworker.js

Lines 103 to 110 in e7ccaf6

)

from datasette.app import Datasette

ds = Datasette(names, settings={

"num_sql_threads": 0,

}, metadata = {

"about": "Datasette Lite",

"about_url": "https://github.com/simonw/datasette-lite"

})

Originally posted by @simonw in simonw/datasette#1809 (comment)

The lack of this at the moment could break some plugins, and will break everything if I land the change I'm considering in simonw/datasette#1809 (comment)

	)
	from datasette.app import Datasette
	ds = Datasette(names, settings={
	"num_sql_threads": 0,
	}, metadata = {
	"about": "Datasette Lite",
	"about_url": "https://github.com/simonw/datasette-lite"
	})