Fix crash when save notes for the line tool.

(cherry picked from commit 66fc63c04b)

src/libs/vtools/tools/drawTools/vdrawtool.h

@@ -79,8 +79,8 @@ public:
 
     virtual bool IsLabelVisible(quint32 id) const;
 
-    QString GetNotes() const;
-    void    SetNotes(const QString &notes);
+    QString      GetNotes() const;
+    virtual void SetNotes(const QString &notes);
 
 signals:
     void ChangedToolSelection(bool selected, quint32 object, quint32 tool);

src/libs/vtools/tools/drawTools/vtoolline.cpp

@@ -484,7 +484,7 @@ void VToolLine::SetLineType(const QString &value)
 {
     m_lineType = value;
 
-    QSharedPointer<VGObject> obj;//We don't have object for line in data container. Just will send empty object.
+    QSharedPointer<VGObject> obj;//We don't have object for line in data container. Just will send an empty object.
     SaveOption(obj);
 }
 
@@ -499,7 +499,16 @@ void VToolLine::SetLineColor(const QString &value)
 {
     lineColor = value;
 
-    QSharedPointer<VGObject> obj;//We don't have object for line in data container. Just will send empty object.
+    QSharedPointer<VGObject> obj;//We don't have object for line in data container. Just will send an empty object.
+    SaveOption(obj);
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VToolLine::SetNotes(const QString &notes)
+{
+    m_notes = notes;
+
+    QSharedPointer<VGObject> obj;//We don't have object for line in data container. Just will send an empty object.
     SaveOption(obj);
 }
 

src/libs/vtools/tools/drawTools/vtoolline.h

@@ -85,6 +85,8 @@ public:
     QString GetLineColor() const;
     void    SetLineColor(const QString &value);
 
+    virtual void SetNotes(const QString &notes) override;
+
     virtual void     ShowVisualization(bool show) override;
 
     virtual void     SetLineType(const QString &value) override;