fix: Update company picker keyboard navigation (#1628)

* fix: scroll

* fix: use ref

* fix: new changes

* fix: remove ref

* fix: state

* chore: clean up

* Include Empty option

* Include Empty option

* Include Empty option

* Fix tests

---------

Co-authored-by: Charles Bochet <charles@twenty.com>

front/src/modules/ui/input/relation-picker/utils/getPreselectedIdIndex.ts

@@ -0,0 +1,10 @@
+export const getPreselectedIdIndex = (
+  selectableOptionIds: string[],
+  preselectedOptionId: string,
+) => {
+  const preselectedIdIndex = selectableOptionIds.findIndex(
+    (option) => option === preselectedOptionId,
+  );
+
+  return preselectedIdIndex === -1 ? 0 : preselectedIdIndex;
+};