return boolean as expected

Author: macbookandrew

src/Views/Filters/SelectFilter.php

@@ -26,7 +26,7 @@ public function getKeys(): array
         return collect($this->getOptions())
             ->keys()
             ->map(fn ($value) => (string)$value)
-            ->filter(fn ($value) => strlen($value))
+            ->filter(fn ($value) => strlen($value) > 0)
             ->values()
             ->toArray();
     }