URGENT - need help with housing issue

[thebosstew]

So after getting housing plus, which increases plot size and added those annoying islands around my house. I decided to use air theme to try and get rid of them(i think u know where this is going). So now my plot has reverted back to the original 100x100 (i think) which has cut a lot of what I had previously built. Is there anyway I can rollback or undo this somehow... otherwise gg

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