I will START with St Thomas Aquinas
Christ willed the scars of His wounds to remain on His body, not only to confirm the faith of His disciples, but for other reasons also. From these it seems that those scars will always remain on His body; because, as Augustine says (Ad Consent., De Resurr. Carn.): “I believe our Lord’s body to be in heaven, such as it was when He ascended into heaven.” And Gregory (Moral. xiv) says that “if aught could be changed in Christ’s body after His Resurrection, contrary to Paul’s truthful teaching, then the Lord after His Resurrection returned to death; and what fool would dare to say this, save he that denies the true resurrection of the flesh?” Accordingly, it is evident that the scars which Christ showed on His body after His Resurrection, have never since been removed from His body.
So that is your reference that He never removes the scars. I can take that. Saints they may be, that is one man or two saying though, and I respect them.
However, I propose God is more than that. He can be what He wants to be, look what He wants to look like.
He is a God that is beyond our imagination. What he has shown as is what we know but He is infinite. We have to accept that there are things about God that we do not know.
The resurrection appearance definitely given with a message attached, which the saints you mentioned said so and which I said in my post. Beyond that we do not know.
God can be anything He wants to be. Humans try to size him up to be put in a box. He is bigger than that and all that you can imagine Him to be.
Sorry I have to stand by my post. You have to do better than that.