Make sure select doesn't pick the same fields

Author: skipperbent

src/Pecee/Pixie/QueryBuilder/Adapters/BaseAdapter.php

@@ -579,6 +579,10 @@ protected function setSelectStatement(array &$statements, array &$bindings): boo
             }
         }
 
+        if (isset($statements['selects'])) {
+            $statements['selects'] = array_unique($statements['selects']);
+        }
+
         return $hasDistincts;
     }