Fix loading zero3 weights

[muellerzr]

What does this PR do?

#36335 broke zero3 weight loading because we can't do TP for it and it needs to be how the methods were done originally.

Related fixings: #36441

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@ArthurZucker @SunMarc

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[ArthurZucker]

Nice thanks, can go in integration no? (integration/deepspeed)

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[IlyasMoutawwakil]

when is this gonna be merged ?

[ArthurZucker]

Nice thanks for iterating!

[IlyasMoutawwakil]

thanks @muellerzr
failing tests seem to be coming from main, they first appeared when unsilenced in #36449

[muellerzr]

Yeah @ArthurZucker needs to merge it b/c of failings :)