QmlDesigner.itemLibrary: fix for TextEdit/TextInput

Task-number: QTCREATORBUG-5335
Change-Id: I56dfebdd16a7a29317f1ca9c45d67e6f63828cf9
Reviewed-on: http://codereview.qt.nokia.com/1441Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@nokia.com>

src/plugins/qmldesigner/qtquickplugin/source/textedit.qml

@@ -32,7 +32,7 @@
 
 import QtQuick 1.0
 
-Text {
+TextEdit {
     width: 80
     height: 20
     text: qsTr("text edit")

src/plugins/qmldesigner/qtquickplugin/source/textinput.qml

@@ -32,7 +32,7 @@
 
 import QtQuick 1.0
 
-Text {
+TextInput {
     width: 80
     height: 20
     text: qsTr("text")