Build

`gui/mod-manager` improvements #5946

Job	Run time
lint / lint	1m 4s
docs / Build linux64	1m 34s
test / Windows MSVC / Build win64	4m 2s
test / Linux gcc-10 / Build linux64	4m 21s
test / Linux gcc-12 / Build linux64	4m 55s
test / Run Windows test suite / Test (windows, msvc, default plugins, default config)	59s
test / Run Windows test suite (empty config) / Test (windows, msvc, default plugins, empty config)	1m 10s
test / Run Linux test suite (gcc-12, all plugins) / Test (ubuntu, gcc-12, all plugins, default config)	53s
test / Run Linux test suite / Test (ubuntu, gcc-10, default plugins, default config)	1m 2s
	20m 0s

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