Issue #3163486 fix output of date range filters with patch from...

Issue #3163486 fix output of date range filters with patch from https://www.drupal.org/project/better_exposed_filters/issues/3163486#comment-14201891

src/Plugin/better_exposed_filters/filter/FilterWidgetBase.php

@@ -226,8 +226,12 @@ abstract class FilterWidgetBase extends BetterExposedFiltersWidgetBase implement
       }
     }
 
+    // Add possible field wrapper to validate for "between" operator.
+    $element_wrapper = $field_id . '_wrapper';
+
     $filter_elements = [
       $identifier,
+      $element_wrapper,
       $filter->options['expose']['operator_id'],
     ];
 
@@ -238,6 +242,23 @@ abstract class FilterWidgetBase extends BetterExposedFiltersWidgetBase implement
         continue;
       }
 
+      // "Between" operator fields to validate for.
+      $fields = ['min', 'max'];
+
+      // Check if the the element is apart of a wrapper.
+      if($element == $element_wrapper){
+        $wrapper_array= $form[$element];
+        // Determine if wrapper element has min or max fields, if so then update type.
+        if (array_intersect($fields, array_keys($wrapper_array[$field_id]))) {
+          $form[$element]['#type'] = 'container';
+        }
+      } else {
+        // Determine if element has min or max child fields, if so then update type.
+        if (array_intersect($fields, array_keys($form[$field_id]))) {
+          $form[$element]['#type'] = 'container';
+        }
+      }
+
       // Move collapsible elements.
       if ($is_collapsible) {
         $this->addElementToGroup($form, $form_state, $element, $field_id . '_collapsible');