fix: handle metadata loading and shape calculation in transforms (#1990)

Fixes # .
handle metadata loading and shape calculation in transforms

### Description
- Add image_only=False and ensure_channel_first=True to LoadImaged
transform to properly load metadata
- Fix shape mismatch in PreprocessAnisotropic.calculate_new_shape by
handling 4D input shapes
- Addresses KeyError: 'image_meta_dict' and ValueError: operands could
not be broadcast together

Note: The metadata loading issue might be related to MONAI version
differences.
Current version: 1.4.0

### Checks
- [x] Avoid including large-size files in the PR.
- [x] Clean up long text outputs from code cells in the notebook.
- [x] For security purposes, please check the contents and remove any
sensitive info such as user names and private key.

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Signed-off-by: Tristan Kirscher <85068746+Kirscher@users.noreply.github.com>