Receive multiple messages per frame and fix some unhandled exceptions

Some last edits, which I did to improve the performance, so I could display my thesis presentation using the WebView in UFrameIT. There will probably be some small merge conflicts with your changes @baletiballo , but nothing too complicated. Unfortunately I will not have the time to merge and test this.

Runs AsyncReadLoop in a c# background thread (using Task.run) to be able to receive more then one message per Unity update() call.

assigned to @baletiballo

added 4 commits

• 312d50f9...db854459 - 3 commits from branch main
• b54cb390 - Merge branch 'main' into 'receiveMultipleMessagesPerFrame'

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marked this merge request as ready

merged

mentioned in commit cb06f50c