Test search callback addition

Author: rappasoft

src/Traits/Helpers/ColumnHelpers.php

@@ -103,7 +103,7 @@ public function getSelectableColumns(): Collection
     public function getSearchableColumns(): Collection
     {
         return $this->getColumns()
-            ->filter(fn (Column $column) => $column->isSearchable())
+            ->filter(fn (Column $column) => $column->isSearchable() || $column->hasSearchCallback())
             ->values();
     }