Option to suppress Output Messages

This issue was created automatically from an original Mantis Issue. Further discussion may take place here.

For a few reasons (errors like: Application asked to unregister timer 0x7f000018 which is not registered in this thread. Fix application. and a Qt bug that constantly complains about some thread problem), the "Output Messages" box pops up every few operations I perform in ParaView. This gets quite annoying. Would it be possible to add a check box to that window that says "do not show again" or something like that?

Edited Feb 11, 2021 by W. Alan Scott

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