scripted-diff: tests replaced where != is used in functional tests to… #421

Job	Run time
test each commit	0s
Win64 native, VS 2022	2h 11m 42s
macOS 14 native, arm64, no depends, sqlite only, gui	17m 12s
ASan + LSan + UBSan + integer, no depends, USDT	1h 8m 59s
	3h 37m 53s

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