fix: the rest of packaging issue and move from timePointIndex to dimensionGroup

[sedghi]

This pull request includes several changes to improve the segmentation and cine play functionalities in the project. The most important changes include updating the getItkImage function to be asynchronous, modifying the usage of numTimePoints and timePointIndex in the cine play context, and adding detailed documentation for the getItkImage function.

Improvements to segmentation functionality:

• packages/tools/src/tools/segmentation/strategies/compositions/labelmapInterpolation.ts: Updated the getItkImage function call to be asynchronous.
• packages/tools/src/tools/segmentation/strategies/utils/getItkImage.ts: Converted the getItkImage function to an asynchronous function and added detailed documentation. [1] [2] [3]

Enhancements to cine play functionality:

• packages/tools/src/utilities/cine/playClip.ts: Modified the cine play context to use numDimensionGroups and dimensionGroupNumber instead of numTimePoints and timePointIndex.

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