Fix typos

[omahs]

What does this PR do?

Fixes # (issue)

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[yiyixuxu]

thanks!

[Copilot]

Pull request overview

This PR fixes spelling and grammatical errors across multiple files in the codebase, including source code comments, help text in training scripts, and documentation files.

• Corrects common typos such as "recieving" → "receiving", "recieves" → "receives", "seperatetely" → "separately"
• Removes duplicate words like "the the" → "the"
• Fixes misspellings in documentation and help text

Reviewed changes

Copilot reviewed 8 out of 8 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
src/diffusers/pipelines/lucy/pipeline_lucy_edit.py	Fixed spelling of "receiving" in comment
src/diffusers/modular_pipelines/qwenimage/before_denoise.py	Removed duplicate word "the" in two property descriptions
examples/research_projects/sdxl_flax/sdxl_single.py	Fixed spelling of "separately" in comment
examples/research_projects/onnxruntime/text_to_image/README.md	Fixed spelling of "hyperparameters" in documentation
examples/cogvideo/train_cogvideox_lora.py	Fixed spelling of "validation_prompt_separator" in help text
examples/cogvideo/train_cogvideox_image_to_video_lora.py	Fixed spelling of "validation_prompt_separator" in two help text entries
docs/source/en/modular_diffusers/loop_sequential_pipeline_blocks.md	Fixed spelling of "receives" in documentation
docs/source/en/modular_diffusers/custom_blocks.md	Fixed spelling of "Available" in two description fields

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[stevhliu]

thanks!