[Evolution] Messages vanish from Junk folder (apparently) when it is opened

[Dennis Reichel <dennis reichel net>]

Evolution 3.12.9

Messages vanish from Junk folder (generic IMAP email account) 

How to reproduce issue:

Browse the left panel (Folder List), Junk shows something like 24
messages.  Open the folder by clicking Junk
        "There are no messages in this folder."

Note: View -> [X] Show deleted messages is checked.
 
Wait a while with the Junk folder open and the spam messages appear.

Select another folder, return to Junk and:

        "There are no messages in this folder."


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Best Regards, Dennis Reichel (dennis (@t) reichel (d0t) net)