Enable calorimeter hit merging by functions #8280

Job	Run time
detector-info	30s
list-open-prs	7s
env	1s
build (gcc, Release, nightly)	1m 20s
build (gcc, Debug, nightly)	1m 25s
build (clang, Release, nightly)	1m 25s
build (clang, Debug, nightly)	1m 21s
build (clang, Release, 24.04.0-stable, clang++)	1m 8s
build (clang, Release, 24.05.2-stable)	1m 24s
npsim-gun-EcalLumiSpec (e, ip6_extended)	36s
npsim-dis (10x100, 1000, craterlake_tracking_only)	24s
npsim-gun (pi, craterlake)	27s
npsim-dis (18x275, 1000, craterlake_18x275)	50s
npsim-gun (e, craterlake)	27s
npsim-minbias (5x41, craterlake_5x41)	28s
npsim-minbias (10x100, craterlake)	29s
npsim-minbias (18x275, craterlake_18x275)	35s
eicrecon-eicmkplugin	0s
llvm-cov	0s
clang-tidy-iwyu	0s
eicrecon-two-stage-running	0s
eicrecon-benchmarks-plugins	0s
eicrecon-dis	0s
eicrecon-gun	0s
eicrecon-gun-EcalLumiSpec	0s
eicrecon-test-plugins	0s
build-docs	0s
trigger-container	0s
get-docs-from-open-prs	0s
get-docs-from-main	0s
collect-docs	0s
deploy-docs	0s
	12m 57s

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