Build

`gui/mod-manager`: Add a window showing the active mods in a world #5726

Job	Run time
docs / Build linux64	1m 14s
lint / lint	26s
test / Linux gcc-10 / Build linux64	1m 16s
test / Linux gcc-12 / Build linux64	1m 36s
test / Windows MSVC / Build win64	4m 35s
test / Run Linux test suite (gcc-12, all plugins) / Test (ubuntu, gcc-12, all plugins, default config)	50s
test / Run Linux test suite / Test (ubuntu, gcc-10, default plugins, default config)	46s
test / Run Windows test suite / Test (windows, msvc, default plugins, default config)	58s
test / Run Windows test suite (empty config) / Test (windows, msvc, default plugins, empty config)	1m 7s
	12m 48s

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