[Tooltip] Fix crash when wrapping an input which becomes disabled while focused

[sarathkumarsasi]

Fixes #45373

• I have followed (at least) the PR section of the contributing guide.

[mui-bot]

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[sarathkumarsasi]

I have been raising a new PR since too many commits exist for the same fix. Please add identical labels of the same PR #45378, @mj12albert, @siriwatknp

[sarathkumarsasi]

@mj12albert, I have made the changes you suggested and tested the code. It is working as expected. Please merge when you have time.

[mj12albert]

since too many commits exist for the same fix

This is generally not an issue ~ we squash commits when merging anyway, or you could squash yourself: https://stackoverflow.com/questions/5189560/how-do-i-squash-my-last-n-commits-together

[mj12albert]

@sarathkumarsasi Would you mind adding a test as well?

You can use this one as a reference to start: https://github.com/mui/material-ui/blob/master/packages/mui-material/src/Tooltip/Tooltip.test.js#L1041-L1067

Though you probably don't need to make a custom TextField, a simple setup like this should do:

render(
  <Tooltip title="test">
    <input onBlur={handleBlur} />
  </Tooltip>,
);