Fix a warning about conversion from size_t to uint

Fix a warning: conversion from ‘size_t’ {aka ‘long unsigned int’}
to ‘uint’ {aka ‘unsigned int’} changes value
from ‘4939931809569846361’ to ‘3557831769’ [-Woverflow]

Task-number: QTCREATORBUG-24098
Change-Id: Ibc123d8e28c7072dd947a1f8058dc8561ff7f6df
Reviewed-by: hjk <hjk@qt.io>

src/plugins/qmldesigner/designercore/model/internalnode.cpp

@@ -159,7 +159,7 @@ bool InternalNode::hasId() const
 }
 
 
-uint qHash(const InternalNodePointer& node)
+Utils::QHashValueType qHash(const InternalNodePointer& node)
 {
     if (node.isNull())
         return ::qHash(-1);

src/plugins/qmldesigner/designercore/model/internalnode_p.h

@@ -38,6 +38,8 @@
 #include "internalnodeproperty.h"
 #include "internalnodeabstractproperty.h"
 
+#include <utils/porting.h>
+
 namespace QmlDesigner {
 
 namespace Internal {
@@ -150,7 +152,7 @@ private:
     int m_nodeSourceType = 0;
 };
 
-uint qHash(const InternalNodePointer& node);
+Utils::QHashValueType qHash(const InternalNodePointer& node);
 bool operator <(const InternalNodePointer &firstNode, const InternalNodePointer &secondNode);
 } // Internal
 } // QtQmlDesigner