Build

`gui/mod-manager`: Add a window showing the active mods in a world #5731

Job	Run time
docs / Build linux64	1m 19s
lint / lint	56s
test / Windows MSVC / Build win64	5m 5s
test / Linux gcc-10 / Build linux64	1m 24s
test / Linux gcc-12 / Build linux64	1m 51s
test / Run Linux test suite (gcc-12, all plugins) / Test (ubuntu, gcc-12, all plugins, default config)	52s
test / Run Linux test suite / Test (ubuntu, gcc-10, default plugins, default config)	1m 3s
test / Run Windows test suite (empty config) / Test (windows, msvc, default plugins, empty config)	1m 3s
test / Run Windows test suite / Test (windows, msvc, default plugins, default config)	59s
	14m 32s

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