fix: Issue when searching and pressing the enter key

[Russ93]

When pressing the enter key on a search for causes and error to occur.

It also happens in this example. https://react-select-search.com/?path=/story/multiple-select--search

TypeError: Cannot read property 'value' of undefined
    at https://react-select-search.com/main.2a55b59e5151045cfaee.bundle.js:1:99508
    at vh (https://react-select-search.com/vendors~main.2a55b59e5151045cfaee.bundle.js:2:621395)
    at wh (https://react-select-search.com/vendors~main.2a55b59e5151045cfaee.bundle.js:2:622161)
    at Object.useState (https://react-select-search.com/vendors~main.2a55b59e5151045cfaee.bundle.js:2:626190)
    at exports.useState (https://react-select-search.com/vendors~main.2a55b59e5151045cfaee.bundle.js:2:562361)
    at useSelectSearch (https://react-select-search.com/main.2a55b59e5151045cfaee.bundle.js:1:97645)
    at https://react-select-search.com/main.2a55b59e5151045cfaee.bundle.js:1:82806
    at oh (https://react-select-search.com/vendors~main.2a55b59e5151045cfaee.bundle.js:2:620601)
    at Zh (https://react-select-search.com/vendors~main.2a55b59e5151045cfaee.bundle.js:2:628499)
    at Rj (https://react-select-search.com/vendors~main.2a55b59e5151045cfaee.bundle.js:2:668795)

Thank you for this tool it is very helpful!

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[ra-stevenli]

I'm using version 2.0.3 of the react-select-search library and am still seeing this issue.

[tbleckert]

@ra-stevenli Thanks! This bugfix has not been published yet so it's only available in the master branch, I haven't had time to publish it unfortunately. Will do it this week.