Added `jfif` to mimeTypes.php (#19338)
Added `jfif` to mimeTypes.php (#19338)

* Added `jfif` to mimeTypes.php

Added the 'image/jpeg' mime type for `.jfif` files (https://en.wikipedia.org/wiki/JPEG_File_Interchange_Format)

* Update MimeTest.php

Added 'jfif' extension to MimeTest
yiisoft/yii2-framework,yiisoft/yii2-framework