Create a copy of the section node for RSS
Create a copy of the section node for RSS

So the Permalink gets correct when listing translations.

I have also checked the other relevant places to make sure we do not overwrite node values we need later.

Pointers can be tricky, but lesson learned is: A copy is cheap.

Updates #2309

bogem/hugo,fedelibre/hugo,mdhender/hugo,Zenithar/hugo,mdhender/hugo,mdhender/hugo,mdhender/hugo,mitchchn/hugo,digitalcraftsman/hugo,Zenithar/hugo,fedelibre/hugo,mayah/hugo,jygastaud/hugo,jygastaud/hugo,tubo028/hugo,anthonyfok/hugo,MarkDBlackwell/hugo,tubo028/hugo,fedelibre/hugo,gohugoio/hugo,gohugoio/hugo,mitchchn/hugo,anthonyfok/hugo,fedelibre/hugo,MarkDBlackwell/hugo,mayah/hugo,bogem/hugo,digitalcraftsman/hugo,gohugoio/hugo,anthonyfok/hugo