restore default-copy-constructibility of ofEvent (#7969) #90

Job	Run time
build-msys2 (mingw64)	1m 52s
rpi-build (armv6l, armhf, arm-linux-gnueabihf, 1)	2m 6s
rpi-build (aarch64, arm64, aarch64-linux-gnu, 1)	1m 59s
build-macos (osx, xcode)	2m 2s
build-linux64-platforms (linux64, 64gcc6)	2m 1s
build-macos (osx, makefiles)	1m 59s
build-emscripten (emscripten)	1m 58s
build-vs2022 (x64)	1m 44s
build-ios-tvos (ios, ios)	2m 4s
build-vs2022 (ARM64)	1m 43s
build-vs2022 (ARM64EC)	1m 45s
	21m 13s

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