[Bug 1902801]

[K-bugzilla]

Tested with 78.6.0 Windows, unfortunately the decrypted files are saved incompletely.
Mode                 LastWriteTime         Length Name
-a----        17.12.2020     11:07        1403473 x.jpg.asc
-a----        17.12.2020     11:11          °°°°°°4 x.jpg

PS C:\Users\buz> more x.jpg
ÿØÿà

PS C:\Users\buz> more x.jpg.asc
-----BEGIN PGP MESSAGE-----
...

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https://bugs.launchpad.net/bugs/1902801

Title:
  Encrypted attachments cannot be opened or saved as decrypted files

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