Fix hidden menu placed in subdirectory

menu/hidden-menu-entries

@@ -30,9 +30,9 @@ stardict
 qt3-qtconfig
 grass
 xfce4-screensaver-preferences
-xfce-floaters
-xfce-personal-slideshow
-xfce-popsquares
+screensavers/xfce-floaters
+screensavers/xfce-personal-slideshow
+screensavers/xfce-popsquares
 eric6_browser
 eric6_webbrowser
 kumir2-python
@@ -43,3 +43,5 @@ italc-client
 pictomir-creator
 pictomir-navigator
 wine-wineconsole
+kf5/org.kde.kalgebra.desktop
+kf5/org.kde.kalgebramobile.desktop