Select's types don't accept readonly item arrays

[maclockard]

Environment

• Package version(s):
  • @blueprintjs/core: 3.48.0
  • @blueprintjs/select: 3.17.0
• Operating System: macOS 11.6
• Browser name and version: Firefox 92

Code Sandbox

Link to a minimal repro (fork this code sandbox):
https://codesandbox.io/s/blueprint-sandbox-forked-8sm3h?file=/src/index.tsx

Steps to reproduce

1. open above link

Actual behavior

The code does not compile

Expected behavior

Select should be able to receive readonly array since it does not mutate the passed array.

Possible solution

Annotate the props with readonly