Qt D-Bus Viewer: Update documentation

-Added information about the location of qdbusviewer
-Fix name to "Qt D-Bus Viewer"

Fixes: QTBUG-118997
Pick-to: 6.8 6.9
Change-Id: I90f1e75a04a959d9c739e33779d978b607a8181c
Reviewed-by: Topi Reiniö <topi.reinio@qt.io>
Reviewed-by: Ralf Habacker <ralf.habacker@freenet.de>
Reviewed-by: Kai Köhne <kai.koehne@qt.io>

src/dbus/doc/src/qtdbus-index.qdoc

@@ -44,7 +44,7 @@
       \li \l {Using Qt D-Bus Adaptors}
       \li \l {The Qt D-Bus Type System}
       \li \l {Qt D-Bus XML compiler (qdbusxml2cpp)}
-      \li \l{D-Bus Viewer}
+      \li \l {Qt D-Bus Viewer}
     \endlist
 
     \section1 Examples
@@ -81,7 +81,7 @@
 
 /*!
   \page qdbusviewer.html
-  \title D-Bus Viewer
+  \title Qt D-Bus Viewer
   \keyword qdbusviewer
 
   The Qt D-Bus Viewer (\c {qdbusviewer}) is a tool that lets you introspect D-Bus objects and messages. You can
@@ -93,4 +93,14 @@
 
   Right-click on a signal to connect to it. All emitted signals including their parameters
   are output in the message view on the lower side of the window.
+
+  \section1 Running Qt D-Bus Viewer
+
+  To run Qt D-Bus Viewer, execute the \c qdbusviewer tool in the installation
+  directory of the respective Qt version. For the Qt \QtVersion Linux/X11
+  installation using the \QOI, the tool is at:
+
+  \badcode \QtVersion
+  <INSTALL_DIR>/\1/gcc_64/bin/qdbusviewer
+  \endcode
 */

src/dbus/doc/src/qtdbus-toc.qdoc

@@ -17,7 +17,7 @@
             \li \l{The Qt D-Bus Type System}
         \endlist
     \li \l {Qt D-Bus XML compiler (qdbusxml2cpp)}
-    \li \l {D-Bus Viewer}
+    \li \l {Qt D-Bus Viewer}
     \li \l {CMake Commands in Qt6 DBus}
     \li \l {CMake Source File Properties in Qt6 DBus}
     \li \l {Changes to Qt D-Bus}{Upgrading from Qt 5}