The Updater dialog causes OBS to get stuck in a modal state. #368

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Description

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Choosing either of the cancel or ok options in the updater dialog causes Qt to believe there is still an open modal. This results in an OBS client that can no longer be controlled, since the dialog wasn't removed properly.

System Information

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• Software Version: master & 0.9.1
• Operating System: Windows
• Kernel Version: 2004
• CPU: AMD Zen2
• GPU: Nvidia RTX 2xxx Series
• RAM: 64GB