[panel] Fix 'Invalid write to global property "prefix"' error (!475) · Merge requests · Plasma / Plasma Desktop

The adjustPrefix() function did not specify whose prefix property it was writing to, so it ended up trying and failing to write to a global one.

This fixes the following error every time plasmashell is launched:

file:///home/nate/kde/usr/share/plasma/shells/org.kde.plasma.desktop/contents/views/Panel.qml:207: Error: Invalid write to global property "prefix"

I could not find any visual changes resulting from this, but I am not very familiar with this code, so please tell me if this is clearly wrong. :)

[panel] Fix 'Invalid write to global property "prefix"' error