Fix analog clock example to adhere to guidelines

Guidelines: https://wiki.qt.io/Qt6/Example-Guideline

Pick-to: 6.5
Change-Id: I12c65ae11e7906fd2e9dfb449072199560488aed
Reviewed-by: Oliver Eftevaag <oliver.eftevaag@qt.io>

doc/global/manifest-meta.qdocconf

@@ -19,7 +19,7 @@
 # manifestmeta.filters                = highlighted sql global
 #
 # manifestmeta.highlighted.names      = "QtGui/Analog Clock Window Example" \
-#                                       "QtWidgets/Analog Clock Example"
+#                                       "QtWidgets/Analog Clock"
 # manifestmeta.highlighted.attributes = isHighlighted:true
 #
 # manifestmeta.sql.names              = "QtSql/*"
@@ -165,7 +165,7 @@ manifestmeta.ios.names              =  "QtCore/Contiguous Cache Example" \
                                        "QtWidgets/Completer Example" \
                                        "QtWidgets/Custom Completer Example" \
                                        "QtWidgets/Undo Framework" \
-                                       "QtWidgets/Analog Clock Example" \
+                                       "QtWidgets/Analog Clock" \
                                        "QtWidgets/Calculator Example" \
                                        "QtWidgets/Calendar Widget Example" \
                                        "QtWidgets/Character Map Example" \

examples/widgets/doc/src/analogclock.qdoc

@@ -3,7 +3,10 @@
 
 /*!
     \example widgets/analogclock
-    \title Analog Clock Example
+    \meta category {Graphics}
+    \meta tags {widgets}
+
+    \title Analog Clock
     \ingroup examples-widgets
     \brief The Analog Clock example shows how to draw the contents of a
     custom widget.

examples/widgets/doc/src/shapedclock.qdoc

@@ -25,7 +25,7 @@
     \section1 ShapedClock Class Definition
 
     The \c ShapedClock class is based on the \c AnalogClock class defined in the
-    \l{Analog Clock Example}{Analog Clock} example. The whole class definition is
+    \l{Analog Clock} example. The whole class definition is
     presented below:
 
     \snippet widgets/shapedclock/shapedclock.h 0
@@ -77,7 +77,7 @@
     cursor position in global coordinates. If we drag the widget, we also accept the event.
 
     The \c paintEvent() function is mainly the same as described in the
-    \l{Analog Clock Example}{Analog Clock} example. The one addition is that we
+    \l{Analog Clock} example. The one addition is that we
     use QPainter::drawEllipse() to draw a round clock face with the current
     palette's default background color. We make the clock face a bit smaller
     than the widget mask, so that the anti-aliased, semi-transparent pixels on

src/corelib/kernel/qtimer.cpp

@@ -105,7 +105,7 @@ QT_BEGIN_NAMESPACE
     used; Qt tries to work around these limitations.
 
     \sa QBasicTimer, QTimerEvent, QObject::timerEvent(), Timers,
-        {Analog Clock Example}, {Tetrix Example}
+        {Analog Clock}, {Tetrix Example}
 */
 
 /*!

src/widgets/kernel/qwidget.cpp

@@ -9757,7 +9757,7 @@ void QWidget::leaveEvent(QEvent *)
     never be called; the backingstore will be used instead.
 
     \sa event(), repaint(), update(), QPainter, QPixmap, QPaintEvent,
-    {Analog Clock Example}
+    {Analog Clock}
 */
 
 void QWidget::paintEvent(QPaintEvent *)
@@ -11069,7 +11069,7 @@ void QWidgetPrivate::repaint(T r)
     If the Qt::WA_OpaquePaintEvent widget attribute is set, the widget is
     responsible for painting all its pixels with an opaque color.
 
-    \sa repaint(), paintEvent(), setUpdatesEnabled(), {Analog Clock Example}
+    \sa repaint(), paintEvent(), setUpdatesEnabled(), {Analog Clock}
 */
 void QWidget::update()
 {