lib/core: introduce replace_first in text/string_search
lib/core: introduce replace_first in text/string_search

Signed-off-by: Alexandre Terrasa <b30f4169e054ee7b8c243480bcfcef62416f3b08@moz-code.org>

jcbrinfo/nit,jcbrinfo/nit,jcbrinfo/nit,jcbrinfo/nit,privat/nit,privat/nit,privat/nit,jcbrinfo/nit,privat/nit,jcbrinfo/nit,privat/nit,jcbrinfo/nit,privat/nit,jcbrinfo/nit,privat/nit,privat/nit,jcbrinfo/nit,privat/nit,jcbrinfo/nit,privat/nit,jcbrinfo/nit