Problems with icons in album display

[Stuart T Rogers]

I have just had to re-install my openSUSE Tumbleweed system and having 
got digikam back (5.7) it all works apart from the icons showing in the 
left side panel on the album display. It shows the correct folder icon 
for the main collections but each of the sub-directories within each 
collection shows a different icon which looks weird. Seems like the 
collection icons are Oxygen (correct) but the sub-directory icons are 
Breeze (incorrect). Both icon sets are installed and Oxygen is set as 
default for system.

How do I fix this please?

Stuart
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