Add padding around the printer icons

CL-893

plugins/UM3NetworkPrinting/ClusterControlItem.qml

@@ -135,12 +135,20 @@ Component
                                 onClicked: base.collapsed = !base.collapsed
                             }
 
-                            UM.RecolorImage
+                            Item
                             {
                                 id: machineIcon
+                                // Yeah, this is hardcoded now, but I can't think of a good way to fix this.
+                                // The UI is going to get another update soon, so it's probably not worth the effort...
+                                width: 58
+                                height: 58
                                 anchors.top: parent.top
                                 anchors.leftMargin: UM.Theme.getSize("default_margin").width
                                 anchors.left: parent.left
+
+                                UM.RecolorImage
+                                {
+                                    anchors.centerIn: parent
                                     source:
                                     {
                                         switch(modelData.type)
@@ -158,7 +166,7 @@ Component
 
                                     color: modelData.activePrintJob != undefined ? UM.Theme.getColor("primary") : UM.Theme.getColor("setting_control_disabled")
                                 }
-
+                            }
                             Item
                             {
                                 height: childrenRect.height