Fix gemma3n feature extractor's incorrect squeeze (#39919)
* fix gemma3n squeeze
Signed-off-by: Isotr0py <2037008807@qq.com>
* add regression test
Signed-off-by: Isotr0py <mozf@mail2.sysu.edu.cn>
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Signed-off-by: Isotr0py <2037008807@qq.com>
Signed-off-by: Isotr0py <mozf@mail2.sysu.edu.cn>
