[Core] [Offloading] Enable saving offloaded models with multiple shared tensor groups (#39263)
* fix counting meta tensors, fix onloading meta tensors
Signed-off-by: Kyle Sayers <kylesayrs@gmail.com>
* remove unrelated fix
Signed-off-by: Kyle Sayers <kylesayrs@gmail.com>
* add test
Signed-off-by: Kyle Sayers <kylesayrs@gmail.com>
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Signed-off-by: Kyle Sayers <kylesayrs@gmail.com>