Reconnect wxPropertyGridManager event handlers when wxPG id is changing.

Because some event handlers are bound to the particular id's they need to be reconnected when wxPG id is the subject of change.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@78259 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775