[9.0] Fix AI Connector form fields resetting to default value when cleared by user (#251095)#251292

saikatsarkar056 wants to merge 1 commit intoelastic:9.0elastic/kibana:9.0from

saikatsarkar056:backport/9.0/pr-251095saikatsarkar056/kibana:backport/9.0/pr-251095Copy head branch name to clipboard