Update tutorials under reconstruction folder

[KumoLiu]

Fixes #1670

Description

Set "image_only=False" in LoadImage.

Checks

• [ ] Avoid including large-size files in the PR.
• [ ] Clean up long text outputs from code cells in the notebook.
• [ ] For security purposes, please check the contents and remove any sensitive info such as user names and private key.
• [ ] Ensure (1) hyperlinks and markdown anchors are working (2) use relative paths for tutorial repo files (3) put figure and graphs in the ./figure folder
• [ ] Notebook runs automatically ./runner.sh -t <path to .ipynb file>

[review-notebook-app[bot]]

Check out this pull request on 

See visual diffs & provide feedback on Jupyter Notebooks.

---

Powered by ReviewNB

[KumoLiu]

Agree, ticket here: https://github.com/Project-MONAI/MONAI/issues/7562.