[BUG] LocalAI Embedding and Upsert Vector Store The request protocol is different

[Jacknolfskin]

Describe the bug ex：when Upsert Vector Store need {"model":"text2vec","input":["Llamas are members of the camelid family"]}

ex: when search Embedding need {"model":"text2vec","input":"Llamas are members of the camelid family"}

To Reproduce when Upsert need input param as list otherwise throw 422 Unprocessable Entity