extract HoverableListItem component from list delegates

shell/applets/NetworkApplet.qml

@@ -9,22 +9,11 @@ Column {
     Repeater {
         model: S.NetworkService.networks
 
-        delegate: Item {
+        delegate: HoverableListItem {
             id: entry
             required property var modelData
             required property int index
 
-            width: root.width
-            height: 32
-
-            Rectangle {
-                anchors.fill: parent
-                anchors.leftMargin: 4
-                anchors.rightMargin: 4
-                color: entryHover.hovered ? S.Theme.base02 : "transparent"
-                radius: S.Theme.radius
-            }
-
             Text {
                 id: netIcon
                 anchors.left: parent.left
@@ -62,10 +51,6 @@ Column {
                 width: entry.modelData.signal >= 0 ? implicitWidth : 0
             }
 
-            HoverHandler {
-                id: entryHover
-                cursorShape: Qt.PointingHandCursor
-            }
             TapHandler {
                 onTapped: {
                     if (entry.modelData.active)