Debugger: Update L&E view when toggling dumper use through CDB

Change-Id: Ic227009a83197ca25d95acee494372bb53833a96
Reviewed-by: David Schulz <david.schulz@qt.io>

src/plugins/debugger/cdb/cdbengine.cpp

@@ -254,6 +254,8 @@ CdbEngine::CdbEngine(const DebuggerRunParameters &sp) :
             this, &CdbEngine::readyReadStandardOut);
     connect(&m_process, &QProcess::readyReadStandardError,
             this, &CdbEngine::readyReadStandardOut);
+    connect(action(UseDebuggingHelpers), &SavedAction::valueChanged,
+            this, &CdbEngine::updateLocals);
 }
 
 void CdbEngine::init()