Description
We need to:
- remove initialInputValue and lookupKey counter
- use inputValue prop instead
- [BUG] T374246 remove clear field strategy when update:selected is triggered with null value
Completion checklist
- Before closing this task, review one by one the checklist available here: https://www.mediawiki.org/wiki/Abstract_Wikipedia_team/Definition_of_Done#Front-end_Task/Bug_Completion_Checklist