QmlEngine: Activate selected frame only in specific states

Selecting a row in stack window activates the frame only if the
state is InferiorStopOk or InferiorUnrunnable, as followed by
gdbengine.

Change-Id: Iad6a16816c0ffd634572f26e1dcf8c3c577502db
Reviewed-by: Kai Koehne <kai.koehne@nokia.com>

src/plugins/debugger/qml/qmlengine.cpp

@@ -518,6 +518,9 @@ void QmlEngine::executeJumpToLine(const ContextData &data)
 
 void QmlEngine::activateFrame(int index)
 {
+    if (state() != InferiorStopOk && state() != InferiorUnrunnable)
+        return;
+
     if (d->m_adapter.activeDebuggerClient()) {
         logMessage(LogSend, QString("%1 %2").arg(QString("ACTIVATE_FRAME"), QString::number(index)));
         d->m_adapter.activeDebuggerClient()->activateFrame(index);