mtmd: fix Granite4 Vision image sequence assembly (#26653)
* mtmd: fix granite 4v grid assembly
(cherry picked from commit 91f82eb1b489bff0dc3f649edf2cb9e0b7f656e9)
* mtmd: fix truncation for scaled image height and width before unpad
Signed-off-by: Hemanth Battu <hbattu@ibm.com>
* mtmd: remove MTMD_DUMP_EMBD debug scaffolding
Signed-off-by: Hemanth Battu <hbattu@ibm.com>
* clean up comments, clarify about anyres_info excluded from serialization
* add_newline is now dead code
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Signed-off-by: Hemanth Battu <hbattu@ibm.com>
Co-authored-by: Xuan Son Nguyen <son@huggingface.co>
Co-authored-by: Hemanth Battu <hbattu@ibm.com>
