Allow quantizers to work with a state dict on meta device

[Cyrilvallez]

What does this PR do?

Following #35926 and #37086, make the quantizers work with a state dict on meta device.
See #37086 for the issue at hand

Currently, will lead to inconsistencies and params initialized with random weights

cc @SunMarc @MekkCyber is there any way to replace params with only param_value instead of doing it for a whole layer at once with the state_dict for hqq and bnb 4bits? I believe this should be possible, but would require to know a bit more about internals of each lib for me.
Otherwise if truly not possible we can add an exception for these 2 types of quantizers, but it would be so much simpler if we can simply standardize and just replace one param after the other, instead of doing a full layer at once

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[HuggingFaceDocBuilderDev]

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[SunMarc]

run slow: bnb

[github-actions]

This comment contains run-slow, running the specified jobs: This comment contains run-slow, running the specified jobs:

models: []
quantizations: ['quantization/bnb'] ...