[PUI] Make filter choice drop-down searchable (#7830) (#7831)

(cherry picked from commit 5a98d1e239)

Co-authored-by: Oliver <oliver.henry.walters@gmail.com>

src/frontend/src/tables/FilterSelectDrawer.tsx

@@ -136,6 +136,7 @@ function FilterAddGroup({
         <Select
           data={valueOptions}
           label={t`Value`}
+          searchable={true}
           placeholder={t`Select filter value`}
           onChange={(value: string | null) => setSelectedValue(value)}
           maxDropdownHeight={800}