feat: Add image upload support with file path handling (#8830)

* ✨ (data.py): introduce a new function get_file_paths to resolve file paths before creating image URLs in HumanMessage contents

* ✨ (general-bugs-agent-images-playground.spec.ts): add test case for user to send images in the playground with the agent component

* 📝 (general-bugs-agent-images-playground.spec.ts): update file path to image file to fix test failure due to incorrect file path

* [autofix.ci] apply automated fixes

* fix: autofix.ci / Update Starter Projects (pull_request)

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Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>
Co-authored-by: italojohnny <italojohnnydosanjos@gmail.com>