[16.0][FIX] fetch..folder: make manual attach work again#3563

NL66278 wants to merge 1 commit intoOCA:16.0OCA/server-tools:16.0from

Therp:16.0-fix-fetchmail_attach_from_folder-manual-attachTherp/server-tools:16.0-fix-fetchmail_attach_from_folder-manual-attachCopy head branch name to clipboard