Merge branch 'bugs-2790' into 'master'

Bugs 2790

See merge request cellframe/cellframe-dashboard!57

CellFrameDashboardGUI/screen/DapUiQmlScreenMainWindow.qml

 import QtQuick 2.0
+import QtQuick.Controls 1.4
 
 DapUiQmlScreenMainWindowForm {
     id: dapQmlScreenMainWindow

CellFrameDashboardGUI/screen/StatusBar/DapUiQmlWidgetStatusBar.qml

 import QtQuick 2.0
-import QtQuick.Controls 2.5
+import QtQuick.Controls 2.0
 import QtQuick.Controls.Styles 1.4
 import QtGraphicalEffects 1.0
 import QtQuick.Layouts 1.3