Merge pull request #1433 from Orange-OpenSource/mge/fix_rgba_export #586

Job	Run time
Build on linux systems (ubuntu-22.04, 11.7, 86, 3.11)	13m 3s
Build on Windows (windows-2019, Visual Studio 16 2019, 11.5.1, 86, 3.11, RTX-3000-and-4000)	30m 2s
Build on linux systems (ubuntu-22.04, 11.7, 75, 3.10)	13m 57s
Build on Windows (windows-2019, Visual Studio 16 2019, 11.5.1, 75, 3.10, RTX-2000)	26m 19s
Build on linux systems (ubuntu-22.04, 11.7, 70, 3.9)	16m 31s
Build on Windows (windows-2019, Visual Studio 16 2019, 11.5.1, 70, 3.9)	22m 58s
Build on linux systems (ubuntu-22.04, 11.7, 61, 3.8)	10m 37s
Build on Windows (windows-2019, Visual Studio 16 2019, 11.5.1, 61, 3.8, GTX-1000)	22m 13s
Build on linux systems (ubuntu-22.04, 11.7, 53, 3.7)	12m 42s
Build on Windows (windows-2019, Visual Studio 16 2019, 11.5.1, 53, 3.7, -DNGP_BUILD_WITH_GUI=OFF ...	26m 7s
Build on linux systems (ubuntu-22.04, 11.7, 37, 3.7, -DNGP_BUILD_WITH_GUI=OFF -DNGP_BUILD_WITH_VU...	9m 50s
Build on Windows (windows-2019, Visual Studio 16 2019, 11.5.1, 37, 3.7)	18m 59s
Update continuous development release	1m 27s
	3h 44m 45s

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