[XPU] fix all_to_all with unequal splits when input/output is empty #72005
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PR Category
Custom Device
PR Types
Bug fixes
Description
[XPU] fix all_to_all with unequal splits when input/output is empty
出错原因:之前的逻辑是输入输出全为0,就不调用all_to_all_v,导致有些卡调用,有些卡没调用