[applets/mediacontroller] Icon for Playing/Paused

Add icon for Playing/Paused states, this partially reverts !16

applets/mediacontroller/contents/ui/main.qml

@@ -309,6 +309,7 @@ Item {
 
             PropertyChanges {
                 target: plasmoid
+                icon: "media-playback-playing"
                 toolTipMainText: track
                 toolTipSubText: artist ? i18nc("by Artist (player name)", "by %1 (%2)", artist, identity) : identity
             }
@@ -319,6 +320,7 @@ Item {
 
             PropertyChanges {
                 target: plasmoid
+                icon: "media-playback-paused"
                 toolTipMainText: track
                 toolTipSubText: artist ? i18nc("by Artist (paused, player name)", "by %1 (paused, %2)", artist, identity) : i18nc("Paused (player name)", "Paused (%1)", identity)
             }