IndexTable's filter textbox's clear button doesn't clear the text

[njoshi10]

Issue summary

The Index Table's 'with filtering' option has a textbox in it. It captures the value as expected. But, the clear button doesn't work as expected. It doesn't clear any pre written text.

Expected behavior

The clear button should clear the textbox value

Actual behavior

The button doesn't clear the pre-written text

Steps to Reproduce

This is the code sandbox which is linked to the polaris documentation
https://codesandbox.io/s/yrr68s?module=App.js