GlFilteredSearch: Multiselect - when multiple tokens are selected, using the backspace to edit only shows the text of one token

When using GlFilteredSearch and selecting multiple tokens, the backspace does not work predictably, as the input only displays the text of one of the tokens:

Screen_Recording_2023-11-15_at_2.52.43_pm

Furter details: gitlab-org&10090 (comment 1627077447)