Fix the renderType properties for various components

To use isMobile one need to import the QtQuickControls as well in
addition to QtQuickControls.Private

This fixes the warning flood at runtime

CCMAIL: faure@kde.org

I think p-f 5.30.0 tars need to be re-done with this.

examples/applets/testtheme/contents/ui/FontGizmo.qml

@@ -18,6 +18,7 @@
 
 import QtQuick 2.1
 
+import QtQuick.Controls 1.0
 import QtQuick.Controls.Private 1.0 as QtQuickControlsPrivate
 
 import org.kde.plasma.core 2.0 as PlasmaCore

src/declarativeimports/plasmacomponents/qml/Label.qml

@@ -18,6 +18,7 @@
 */
 
 import QtQuick 2.1
+import QtQuick.Controls 1.0
 import QtQuick.Controls.Private 1.0 as QtQuickControlsPrivate
 import org.kde.plasma.core 2.0 as PlasmaCore
 

src/declarativeimports/plasmacomponents/qml/private/DualStateButton.qml

@@ -18,6 +18,7 @@
 */
 
 import QtQuick 2.1
+import QtQuick.Controls 1.0
 import QtQuick.Controls.Private 1.0 as QtQuickControlsPrivate
 import org.kde.plasma.core 2.0 as PlasmaCore
 

src/declarativeimports/plasmastyle/SpinBoxStyle.qml

@@ -19,6 +19,7 @@
  */
 
 import QtQuick 2.0
+import QtQuick.Controls 1.0
 import QtQuick.Controls.Styles 1.1 as QtQuickControlStyle
 import QtQuick.Controls.Private 1.0 as QtQuickControlsPrivate
 import QtQuick.Layouts 1.1

src/declarativeimports/plasmastyle/TextFieldStyle.qml

@@ -18,6 +18,7 @@
 */
 
 import QtQuick 2.0
+import QtQuick.Controls 1.0
 import QtQuick.Controls.Styles 1.1 as QtQuickControlStyle
 import QtQuick.Controls.Private 1.0 as QtQuickControlsPrivate