Renamed midi_message_type to GOMidiEvent::MidiType (#1647) #425

Job	Run time
calc_ver	13s
calc_ver	13s
build (ubuntu-20.04, linux, debian-based, linux)	1m 54s
build (ubuntu-20.04, linux, debian-based, linux)	1m 48s
build (ubuntu-20.04, linux, debian-based, linux, wx32)	1m 54s
build (ubuntu-20.04, linux, debian-based, linux, wx32)	1m 45s
build (ubuntu-20.04, appimage-x86_64, debian-based, linux)	1m 53s
build (ubuntu-20.04, appimage-x86_64, debian-based, linux)	1m 45s
build (ubuntu-20.04, linux-armhf, debian-based, linux)	1m 48s
build (ubuntu-20.04, linux-armhf, debian-based, linux)	1m 34s
build (ubuntu-20.04, linux-armhf, debian-based, linux, wx32)	1m 54s
build (ubuntu-20.04, linux-armhf, debian-based, linux, wx32)	1m 46s
build (ubuntu-20.04, linux-aarch64, debian-based, linux)	1m 36s
build (ubuntu-20.04, linux-aarch64, debian-based, linux)	1m 29s
build (ubuntu-20.04, linux-aarch64, debian-based, linux, wx32)	1m 50s
build (ubuntu-20.04, linux-aarch64, debian-based, linux, wx32)	1m 47s
build (macos-11, osx, osx, osx)	1m 39s
build (macos-11, osx, osx, osx)	1m 43s
build (ubuntu-latest, win64, debian-based, linux)	1m 54s
build (ubuntu-latest, win64, debian-based, linux)	1m 47s
release	0s
release	0s
	32m 12s

Provide feedback