repl: fix dedup comparing normalized line against raw history #5771

Job	Run time
Build slim tarball	3m 2s
x86_64-darwin: with shared libraries	41m 11s
x86_64-linux: with shared libraries	18m 57s
aarch64-darwin: with shared libraries	22m 30s
aarch64-linux: with shared libraries	18m 47s
	1h 44m 27s

Provide feedback