plasma_indicator not load background at empty areas

--from Latte v0.9.3 indicators can be loaded also as
a general background layer for the view. Do not load
the background layer in that case, we only need to
load the foreground one when the android-style click
animation is needed

indicators/org.kde.latte.plasma/package/ui/main.qml

@@ -47,8 +47,7 @@ LatteComponents.IndicatorItem {
     Loader{
         id: backLayer
         anchors.fill: parent
-        active: level.isBackground
-
+        active: level.isBackground && !indicator.isEmptySpace
         sourceComponent: BackLayer{}
     }