Fix autoload sections in composer.json (#19337)
Fix autoload sections in composer.json (#19337)

Move `yii\cs\`  into `autoload-dev` and add  `test` and `build` namespaces
brandonkelly/yii2,lubosdz/yii2,yiisoft/yii2,xiaoliwang/yii2,yiisoft/yii2,rhertogh/yii2,lubosdz/yii2,bizley/yii2,PowerGamer1/yii2,bizley/yii2,xiaoliwang/yii2,brandonkelly/yii2,xiaoliwang/yii2,PowerGamer1/yii2,rhertogh/yii2,PowerGamer1/yii2,lubosdz/yii2,bizley/yii2,lubosdz/yii2,yiisoft/yii2,bizley/yii2,yiisoft/yii2,brandonkelly/yii2,brandonkelly/yii2,rhertogh/yii2,PowerGamer1/yii2,xiaoliwang/yii2,rhertogh/yii2