I think it’d be more consistent across the ST to go the other route and imply that Palpatine did want her dead throughout her life until Ben Solo is redeemed at which point he goes ahead and tries to corrupt her.
I think removing two lines would help make this clearer: Finn’s line after mining from D-O, “He wanted her alive,” and Palpatine’s, “I never wanted you dead, I wanted you here.”
And, sherlockpotter, I think that could’ve easily been a good way to go if they’d had that approach when filming or possibly when editing, but I’m afraid it feels to muddled to go with.
Oh wow I completely forgot about Finn’s line about that. Haven’t seen the movie in a while myself. That should definitely be adjusted.
As for the “I never wanted you dead, I wanted you here” line, Palpatine lies all the time. I don’t think that one is exactly necessary to remove as a result.
EDIT: Realized that if Rey is under the impression that Palpy has wanted her dead her whole life then she is much more tempted to kill him. So maybe that final line should in fact go.