Any to any pipeline and auto-mapping (#40884)
* initial commit
* fix tests
* fix copies, tests and rename pipe
* another rename
* fix copies again
* activate pipeline mixin in some models
* audio loading
* typo
* fix the test
* stupid typo in filename
* fix copies
* docs
* forgot
* fix pipe tests
* fix copies
* fix test
* lets not pass it explicitly
* final fix
* rename in test files as well
* fix again after reordering...
* add qwen2 audio
* add qwen3-omni
* wait, I didn't push it last time?
* it's only torch from now on
* how was the model merged with docstring issues?
* make style
* requires backend depends on input modalities
* add repr
* fix copies
* fox copies, new models were added
* and now fix copies