Investigate error on container listing with web.get()

[dmitrizagidulin]

Investigate error from using web.get() with a container.

[dmitrizagidulin]

solid.web.get() integration test for container listing is passing as of https://solid.github.io/releases/solid.js/solid-0.21.2.min.js

Closing. (feel free to reopen if there's still an issue)