ISAR selection test scripts update
This branch adds support for setting up split rendering tests based on S4-240396.
TODOs:
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Support for pre-rotation of input for trajectory nullification testing - 
(O)MASA support missing (not possible?) 
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OSBA support missing 
 
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Support for CuT generation of native transcoding reference 
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Support for CuT generation with system(s) under test 
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Configuration (YAML) file support 
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Trajectory manipulation script 
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Support one trajectory per input item (currently the same trajectory will be reused across all items)