QtQuickControls TabBar Fusion style: First TabButton placement odd

import QtQuick
import QtQuick.Controls
import QtQuick.Layouts

Window {
  width: 640
  height: 480
  visible: true
  title: qsTr("Hello World")

  Pane {
    anchors.fill: parent

    contentItem: ColumnLayout {
      TabBar {
        Layout.fillWidth: true
        TabButton {
          text: "eeny"
        }
        TabButton {
          text: "meeny"
        }
        TabButton {
          text: "moe"
        }
      }
    }
  }
}