QmlDesigner: Update Tooltips for Scroll View Section

This patch update tooltip text for Scroll View section fields
in Property editor.

Fixes: QDS-9177
Change-Id: I40a0581852fb0bff5f1a5f76d32a757f313eddd3
Reviewed-by: Mats Honkamaa <mats.honkamaa@qt.io>
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>

share/qtcreator/qmldesigner/propertyEditorQmlSources/QtQuick/Controls/ScrollViewSpecifics.qml

@@ -14,7 +14,11 @@ Column {
         caption: qsTr("Scroll View")
 
         SectionLayout {
-            PropertyLabel { text: qsTr("Content size") }
+            PropertyLabel {
+                text: qsTr("Content size")
+                tooltip: qsTr("Sets the width and height of the view.\n"
+                            + "This is used for calculating the total implicit size.")
+            }
 
             SecondColumnLayout {
                 SpinBox {