Fix more anchors.centerIn

resources/qml/StatusIndicator.qml

@@ -25,12 +25,11 @@ ImageButton {
             return "";
         }
     }
-
     onClicked: {
         if (model.state == MtxEvent.Read)
             TimelineManager.timeline.readReceiptsAction(model.id);
-    }
 
+    }
     image: {
         switch (model.state) {
         case MtxEvent.Failed:

resources/qml/voip/DeviceError.qml

@@ -8,7 +8,13 @@ Popup {
     property var image
 
     modal: true
-    anchors.centerIn: parent
+    // only set the anchors on Qt 5.12 or higher
+    // see https://doc.qt.io/qt-5/qml-qtquick-controls2-popup.html#anchors.centerIn-prop
+    Component.onCompleted: {
+        if (anchors)
+            anchors.centerIn = parent;
+
+    }
 
     RowLayout {
         Image {

resources/qml/voip/PlaceCall.qml

@@ -6,7 +6,13 @@ import im.nheko 1.0
 
 Popup {
     modal: true
-    anchors.centerIn: parent
+    // only set the anchors on Qt 5.12 or higher
+    // see https://doc.qt.io/qt-5/qml-qtquick-controls2-popup.html#anchors.centerIn-prop
+    Component.onCompleted: {
+        if (anchors)
+            anchors.centerIn = parent;
+
+    }
     palette: colors
 
     Component {