[SearchBox mode=tag] Backspacing on ongoing search should not delete all previously selected keywords

[mhilaire]

Affected Projects
React

Library Version: latest v4

Describe the bug
When a user has already selected search keywords using the searchBox when he starts typing a new word and decides to delete it, all previously selected keywords are removed.

To Reproduce
Test component: https://reactivesearch-react.vercel.app/?path=/story/search-components-searchbox--with-mode-prop
Steps to reproduce the behavior:

• Search for paradise
• select paradise
• Search for Potter
• select harry potter
• Type 'pot'
• backspace to delete up to the begining of the search bar

Expected behavior
All previously selected search keywords should be kept

Screenshots
(https://www.loom.com/share/50cbaf501e31487d87330239194aa851?sid=f36d990b-8c97-4790-bd8b-d9d399e020c0)

• Browser Chrome
• Version: 117