Fix links to Application Example

The example was renamed in 6cb36d825d365988ea7a601218bdd3a329290469.

Change-Id: Ic9daac60002c9988dfeb5c7dcde74edb69388f37
Reviewed-by: Andreas Buhr <andreas.buhr@qt.io>
Reviewed-by: Paul Wicking <paul.wicking@qt.io>
Reviewed-by: Jason McDonald <macadder1@gmail.com>
(cherry picked from commit 0cc9a99865c4b6dfb1a212a5aba0fc5907f19b24)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>

src/corelib/io/qsettings.cpp

@@ -2338,7 +2338,7 @@ void QConfFileSettingsPrivate::ensureSectionParsed(QConfFile *confFile,
 
     \endlist
 
-    \sa QVariant, QSessionManager, {Settings Editor Example}, {Application Example}
+    \sa QVariant, QSessionManager, {Settings Editor Example}, {Qt Widgets - Application Example}
 */
 
 /*! \enum QSettings::Status

src/gui/kernel/qaction.cpp

@@ -219,7 +219,7 @@ QObject *QActionPrivate::menu() const
     use as menu items.
 
 
-    \sa QMenu, QToolBar, {Application Example}
+    \sa QMenu, QToolBar, {Qt Widgets - Application Example}
 */
 
 /*!

src/widgets/dialogs/qfiledialog.cpp

@@ -172,7 +172,7 @@ Q_GLOBAL_STATIC(QUrl, lastVisitedDir)
   native dialog.
 
   \sa QDir, QFileInfo, QFile, QColorDialog, QFontDialog, {Standard Dialogs Example},
-      {Application Example}
+      {Qt Widgets - Application Example}
 */
 
 /*!

src/widgets/dialogs/qmessagebox.cpp

@@ -748,7 +748,8 @@ void QMessageBoxPrivate::_q_clicked(QPlatformDialogHelper::StandardButton button
     When an escape button can't be determined using these rules,
     pressing \uicontrol Esc has no effect.
 
-    \sa QDialogButtonBox, {fowler}{GUI Design Handbook: Message Box}, {Standard Dialogs Example}, {Application Example}
+    \sa QDialogButtonBox, {fowler}{GUI Design Handbook: Message Box}, {Standard Dialogs Example},
+        {Qt Widgets - Application Example}
 */
 
 /*!

src/widgets/kernel/qwidget.cpp

@@ -9550,13 +9550,13 @@ void QWidget::actionEvent(QActionEvent *)
 
     Main window applications typically use reimplementations of this function to check
     whether the user's work has been saved and ask for permission before closing.
-    For example, the \l{Application Example} uses a helper function to determine whether
+    For example, the \l{Qt Widgets - Application Example} uses a helper function to
-    or not to close the window:
+    determine whether or not to close the window:
 
     \snippet mainwindows/application/mainwindow.cpp 3
     \snippet mainwindows/application/mainwindow.cpp 4
 
-    \sa event(), hide(), close(), QCloseEvent, {Application Example}
+    \sa event(), hide(), close(), QCloseEvent, {Qt Widgets - Application Example}
 */
 
 void QWidget::closeEvent(QCloseEvent *event)
@@ -11174,7 +11174,8 @@ void QWidgetPrivate::setWindowOpacity_sys(qreal level)
     its parent because other children of the parent might have been
     modified.
 
-    \sa windowTitle, {Application Example}, {SDI Example}, {MDI Example}
+    \sa windowTitle, {Qt Widgets - Application Example}, {SDI Example},
+    {MDI Example}
 */
 bool QWidget::isWindowModified() const
 {

src/widgets/widgets/qmainwindow.cpp

@@ -315,9 +315,9 @@ void QMainWindowPrivate::init()
     is the position and size (relative to the size of the main window)
     of the toolbars and dock widgets that are stored.
 
-    \sa QMenuBar, QToolBar, QStatusBar, QDockWidget, {Application
+    \sa QMenuBar, QToolBar, QStatusBar, QDockWidget,
-    Example}, {Dock Widgets Example}, {MDI Example}, {SDI Example},
+    {Qt Widgets - Application Example}, {Dock Widgets Example},
-    {Menus Example}
+    {MDI Example}, {SDI Example}, {Menus Example}
 */
 
 /*!

src/widgets/widgets/qmenu.cpp

@@ -1692,7 +1692,7 @@ void QMenu::initStyleOption(QStyleOptionMenuItem *option, const QAction *action)
     addSeparator(), and addMenu().
 
     \sa QMenuBar, {fowler}{GUI Design Handbook: Menu, Drop-Down and Pop-Up},
-        {Application Example}, {Menus Example}
+        {Qt Widgets - Application Example}, {Menus Example}
 */
 
 

src/widgets/widgets/qplaintextedit.cpp

@@ -1217,7 +1217,7 @@ void QPlainTextEditPrivate::ensureViewportLayouted()
    fast log viewer (see setMaximumBlockCount()).
 
 
-    \sa QTextDocument, QTextCursor, {Application Example},
+    \sa QTextDocument, QTextCursor, {Qt Widgets - Application Example},
         {Code Editor Example}, {Syntax Highlighter Example},
         {Rich Text Processing}
 

src/widgets/widgets/qstatusbar.cpp

@@ -216,7 +216,7 @@ QRect QStatusBarPrivate::messageRect() const
     \image fusion-statusbar-sizegrip.png A status bar shown in the Fusion widget style
 
     \sa QMainWindow, QStatusTipEvent, {fowler}{GUI Design Handbook:
-    Status Bar}, {Application Example}
+    Status Bar}, {Qt Widgets - Application Example}
 */
 
 

src/widgets/widgets/qtextedit.cpp

@@ -572,7 +572,7 @@ void QTextEditPrivate::_q_ensureVisible(const QRectF &_rect)
     of the movement keystrokes, for example, \e{Shift+Right}
     will select the character to the right, and \e{Shift+Ctrl+Right} will select the word to the right, etc.
 
-    \sa QTextDocument, QTextCursor, {Application Example},
+    \sa QTextDocument, QTextCursor, {Qt Widgets - Application Example},
         {Syntax Highlighter Example}, {Rich Text Processing}
 */
 

src/widgets/widgets/qtoolbar.cpp

@@ -411,7 +411,7 @@ void QToolBarPrivate::plug(const QRect &r)
     addWidget(). Please use widget actions created by inheriting QWidgetAction
     and implementing QWidgetAction::createWidget() instead.
 
-    \sa QToolButton, QMenu, QAction, {Application Example}
+    \sa QToolButton, QMenu, QAction, {Qt Widgets - Application Example}
 */
 
 /*!