Fix typing error

Author: GraysonChiang

app/code/Magento/Backend/Model/Menu/Builder.php

@@ -102,6 +102,6 @@ public function getResult(\Magento\Backend\Model\Menu $menu)
      */
     protected function _getParam($params, $paramName, $defaultValue = null)
     {
-        return $params[$paramName]?? $defaultValue;
+        return $params[$paramName] ?? $defaultValue;
     }
 }

app/code/Magento/BundleImportExport/Model/Export/RowCustomizer.php

@@ -321,7 +321,7 @@ function ($title, $storeName) {
      */
     protected function getTypeValue($type)
     {
-        return $this->typeMapping[$type]??  self::VALUE_DYNAMIC;
+        return $this->typeMapping[$type] ?? self::VALUE_DYNAMIC;
     }
 
     /**

app/code/Magento/Catalog/Helper/Output.php

@@ -105,7 +105,7 @@ public function addHandler($method, $handler)
     public function getHandlers($method)
     {
         $method = strtolower($method);
-        return $this->_handlers[$method] ?? : [];
+        return $this->_handlers[$method] ?? [];
     }
 
     /**

app/code/Magento/Catalog/Model/Product/Option.php

@@ -312,7 +312,7 @@ public function getGroupByType($type = null)
             self::OPTION_TYPE_TIME => self::OPTION_GROUP_DATE,
         ];
 
-        return $optionGroupsToTypes[$type] ?? : '';
+        return $optionGroupsToTypes[$type] ?? '';
     }
 
     /**

app/code/Magento/Catalog/Model/ResourceModel/Product/Collection.php

@@ -931,7 +931,7 @@ private function mapConditionType($conditionType)
             'eq' => 'in',
             'neq' => 'nin'
         ];
-        return $conditionsMap[$conditionType] ??  $conditionType;
+        return $conditionsMap[$conditionType] ?? $conditionType;
     }
 
     /**

app/code/Magento/Catalog/Ui/Component/Listing/Columns.php

@@ -80,6 +80,6 @@ public function prepare()
      */
     protected function getFilterType($frontendInput)
     {
-        return $this->filterMap[$frontendInput] ??  $this->filterMap['default'];
+        return $this->filterMap[$frontendInput] ?? $this->filterMap['default'];
     }
 }

lib/internal/Magento/Framework/DataObject/Copy/Config.php

@@ -44,6 +44,6 @@ public function getFieldset($name, $root = 'global')
         if (empty($fieldsets)) {
             return null;
         }
-        return $fieldsets[$name] ??  null;
+        return $fieldsets[$name] ?? null;
     }
 }

lib/internal/Magento/Framework/View/Page/Config/Structure.php

@@ -251,6 +251,6 @@ public function populateWithArray(array $data)
      */
     private function getArrayValueByKey($key, array $array)
     {
-        return $array[$key] ??  [];
+        return $array[$key] ?? [];
     }
 }