Fix dtype casting for quantized multimodal embedders (#46904)
* Fix dtype casting for quantized multimodal embedders
* Fixed the code according to review
* Apply repo consistency fixes
* .
* fix repo
* fix repo
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Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: raushan <raushan@huggingface.co>