build

Made the hardcoded completion field limit configurable #4832

Job	Run time
compile (windows-latest, windows, win32-ia32)	4m 7s
compile (ubuntu-22.04, linux, linux-x64)	3m 11s
compile (macos-latest, darwin, darwin-x64)	1m 41s
compile (ubuntu-24.04-arm, linux, linux-arm64)	2m 50s
compile (windows-latest, windows, win32-x64)	3m 51s
compile (macos-latest, darwin, darwin-arm64)	2m 37s
	18m 17s

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