Make the icon applet use the same shadow settings as desktop icons

Summary: We changed the desktop shadows in 10278e79f116, but we also need to reflect this change in the Icon applet which renders its own label and shadows.

Subscribers: plasma-devel

Tags: #plasma

Differential Revision: https://phabricator.kde.org/D21546

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

@@ -128,12 +128,12 @@ MouseArea {
 
         visible: !constrained
 
-        horizontalOffset: units.devicePixelRatio * 2
-        verticalOffset: horizontalOffset
+        horizontalOffset: 1
+        verticalOffset: 1
 
-        radius: 9.0
-        samples: 18
-        spread: 0.15
+        radius: 4
+        samples: 9
+        spread: 0.35
 
         color: "black"