Move machine selector to own component & new location

This also simplifies & cleans up the actually used QML

CURA-5772

resources/qml/components/MachineAndConfigurationSelector.qml

@@ -0,0 +1,48 @@
+// Copyright (c) 2017 Ultimaker B.V.
+// Cura is released under the terms of the LGPLv3 or higher.
+
+import QtQuick 2.7
+
+import UM 1.2 as UM
+import Cura 1.0 as Cura
+import "../Menus"
+import "../Menus/ConfigurationMenu"
+import ".."
+
+Rectangle
+{
+    color: UM.Theme.getColor("sidebar_lining_thin")
+
+    implicitHeight: UM.Theme.getSize("sidebar_header").height
+    implicitWidth: UM.Theme.getSize("sidebar").width
+
+    property bool isNetworkPrinter: Cura.MachineManager.activeMachineNetworkKey != ""
+    property bool printerConnected: Cura.MachineManager.printerConnected
+
+    MachineSelection
+    {
+        id: machineSelection
+        anchors
+        {
+            left: parent.left
+            right: configSelection.left
+            rightMargin: UM.Theme.getSize("sidebar_lining_thin").height / 2
+            top: parent.top
+            bottom: parent.bottom
+        }
+    }
+
+    ConfigurationSelection
+    {
+        id: configSelection
+        visible: isNetworkPrinter && printerConnected
+        width: visible ? Math.round(parent.width * 0.15) : 0
+        panelWidth: parent.width
+        anchors
+        {
+            right: parent.right
+            top: parent.top
+            bottom: parent.bottom
+        }
+    }
+}