node raw and text does not show the files of a folder

[zonky2]

see MetaModels/attribute_file#63

[zonky2]

note: MetaModels/attribute_file#63 (comment)

[zonky2]

Current check:

• in the text node all files of a folder are listed - fixed in MM 2.2
• opposite untranslated file here is the list with comma + space , vs. , - fixed in MM 2.2
• with text and html5 node files are shown twice if folder and file are selected
• the differentiation between languages does not work - only EN is displayed in the test case (fallback DE)
• Consider adding an option to the render settings so that when you select a folder, the files appear in the raw node - this is the only place where you have access to the metadata. @discordier ?