Build

Refactor button widgets; add `widgets.ToggleButton` #11452

Job	Run time
check-pr	2s
docs / Build linux64	1m 16s
lint / lint	26s
test / Windows MSVC / Build win64	4m 1s
package / Linux / Build linux64	1m 53s
package / Windows / Build win64	4m 34s
test / Linux gcc-11 / Build linux64	1m 25s
test / Linux gcc-12 / Build linux64	2m 2s
test / Run Linux test suite / Test (ubuntu, gcc-11, default plugins, default config)	1m 0s
test / Run Linux test suite (gcc-12, all plugins) / Test (ubuntu, gcc-12, all plugins, default config)	57s
test / Run Windows test suite (empty config) / Test (windows, msvc, default plugins, empty config)	1m 19s
test / Run Windows test suite / Test (windows, msvc, default plugins, default config)	1m 20s
	20m 15s

Provide feedback