feat: improve event building for zero-torus data #2555

Job	Run time
download_test_data	4s
build (ubuntu-latest)	2m 49s
build (macos-latest)	3m 11s
java_matrix	3s
unit_tests (21)	4m 15s
unit_tests (25)	2m 56s
spotbugs	7m 21s
test_run-groovy	42s
test_clara	4m 22s
test_decoder	2m 56s
test_coatjava (ubuntu-latest, eb-eg)	2m 16s
test_coatjava (ubuntu-latest, eb-ep)	2m 45s
test_coatjava (ubuntu-latest, eb-enc)	2m 30s
test_coatjava (ubuntu-latest, eb-eftpi)	2m 49s
test_coatjava (ubuntu-latest, eb-epc)	2m 14s
test_coatjava (ubuntu-latest, kpp)	2m 54s
test_coatjava (macos-latest, eb-ep, ./run-eb-tests.sh -100 electronproton)	2m 19s
release_build	0s
generate_documentation	1m 10s
deploy_web_pages	-1s
final	4s
	47m 39s

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