[User Switcher] Still theme the logout and leave buttons

Only the avatars shouldn't be.

applets/userswitcher/package/contents/ui/ListDelegate.qml

@@ -35,6 +35,8 @@ Item {
     property bool interactive: true
     property bool interactiveIcon: false
 
+    property alias usesPlasmaTheme: icon.usesPlasmaTheme
+
     property alias containsMouse: area.containsMouse
 
     property Item highlight
@@ -77,7 +79,6 @@ Item {
             Layout.maximumWidth: units.iconSizes.medium
             Layout.minimumHeight: units.iconSizes.medium
             Layout.maximumHeight: units.iconSizes.medium
-            usesPlasmaTheme: false
 
             MouseArea {
                 anchors.fill: parent

applets/userswitcher/package/contents/ui/main.qml

@@ -168,6 +168,7 @@ Item {
                 interactive: false
                 interactiveIcon: true
                 onIconClicked: KCMShell.open("user_manager")
+                usesPlasmaTheme: false
             }
 
             PlasmaExtras.ScrollArea {
@@ -216,6 +217,7 @@ Item {
                                 userList.currentIndex = -1
                             }
                         }
+                        usesPlasmaTheme: false
                     }
                 }
             }