[Fix] Prevent FSDPModule from auto-converting position_embedding to bf16 in DecoderLayer#1462

HAOCHENYE wants to merge 6 commits intogh/HAOCHENYE/13/baseInternLM/xtuner:gh/HAOCHENYE/13/basefrom

gh/HAOCHENYE/13/headInternLM/xtuner:gh/HAOCHENYE/13/headCopy head branch name to clipboard