Use common StackView

Gui/CustomersTable.qml

@@ -4,6 +4,7 @@ import QtQuick.Controls
 import Qt.labs.qmlmodels
 
 ColumnLayout {
+    property var availableFilters: ["Name", "Adresse", "PLZ", "Ort"]
 
     function viewCriterion(criterion)
     {
@@ -15,7 +16,7 @@ ColumnLayout {
     anchors.fill: parent
     spacing: Dimensions.l
 
-    Component.onCompleted: customersStack.pop()
+    Component.onCompleted: contentStack.pop()
 
     RowLayout
     {
@@ -67,7 +68,7 @@ ColumnLayout {
             Layout.alignment: Qt.AlignRight
             icon.source: "qrc:/images/PlusCircle.svg"
             text: qsTr("Kunde Hinzufügen")
-            onClicked: appLoader.source = "AddCustomer.qml"
+            onClicked: contentStack.push("AddCustomer.qml")
         }
     }
     ColumnLayout
@@ -153,7 +154,7 @@ ColumnLayout {
 
                     onDoubleClicked: {
                         business_model.onRowClicked(row);
-                        customersStack.push("CustomerDetails.qml", {
+                        contentStack.push("CustomerDetails.qml", {
                             selectedClient: row
                         });
                     }