Icon component does not support null value in tagName prop despite documentation and types say it does

[alhimik45]

Environment

• Package version(s): "@blueprintjs/core": "^5.12.0"
• Operating System: Arch Linux
• Browser name and version: Firefox 129.0.2

Code Sandbox

Link to a minimal repro (fork this code sandbox): https://codesandbox.io/p/devbox/magical-dream-5fjckr

Actual behavior

Error in console Uncaught Error: Element type is invalid: expected a string (for built-in components) or a class/function (for composite components) but got: null.

Expected behavior

Icon rendered without span wrapper