TLW default item changes have changed Enter key processing: it was now handled as TAB even for controls such as wxTree/ListCtrl which need it themselves; fix this by checking for VK_RETURN in these classes MSWShouldPreProcessMessage() implementation; also removed specific test for wxTextCtrl in wxWindowMSW::MSWProcessMessage() and simplified its code

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@40405 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/treectrl.h

@@ -224,6 +224,7 @@ public:
     virtual WXLRESULT MSWDefWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
     virtual bool MSWCommand(WXUINT param, WXWORD id);
     virtual bool MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);
+    virtual bool MSWShouldPreProcessMessage(WXMSG* msg);
 
     // override some base class virtuals
     virtual bool SetBackgroundColour(const wxColour &colour);