user-select: none in docs very unuseful

[Fi1osof]

This issue pertains to the following package(s):

• GraphQL Playground HTML

What OS and OS version are you experiencing the issue(s) on?

Linux

What version of graphql-playground(-electron/-middleware) are you experiencing the issue(s) on?

1.7.11

What is the expected behavior?

Select schema in docs tab

What is the actual behavior?

Deny from css via user-select: none

[Fi1osof]

Seems like broken from PR #897