Updated and expanded docstrings for the following functions in the Bo…

[anivenk25]

…undingBox module:

ModelBoundingBox._validate_shape:

Improved documentation for shape validation in intervals, emphasizing valid and invalid input shapes. ModelBoundingBox._validate_sequence:

Clarified docstrings regarding order validation, specifying valid options and handling of invalid orders. ModelBoundingBox._validate_iterable:

Enhanced documentation on iterable validation, highlighting proper handling of ignored intervals. ModelBoundingBox._valid_index:

Expanded and clarified docstrings for valid index validation in different input scenarios. ModelBoundingBox.test__setitem__:

Updated docstrings to provide more clarity on setting intervals using keys and indices, including Model Set support. ModelBoundingBox.test__validate_shape:

Improved docstrings to better explain shape validation in intervals, including units. ModelBoundingBox.test_prepare_inputs:

Expanded and clarified docstrings for preparing inputs with arrays and scalar inputs inside and outside the bounding box. ModelBoundingBox.test_create:

Enhanced docstrings to describe the creation test, covering model parameters, bounding boxes, and various input configurations. ModelBoundingBox.test_reduce:

Improved docstrings for the reduction test, specifying different scenarios for reducing selector arguments based on model parameters. ModelBoundingBox.test_validate:

Updated docstrings to provide more clarity on selector argument validation with different input scenarios. These changes aim to provide more comprehensive and understandable documentation for the respective functions within the BoundingBox module.

Description

This pull request is to address ...

Fixes #

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