赵月辉 / fastgpt-migrated

* support image embedding dataset indexes

* feat(dataset): support image embedding system indexes

* fix: migrate legacy dataset search input

* perf: code

* perf: code

* submodule

* add test

* fix: migrate dataset search input

* doc

* test: update dataset search input expectation

---------

Co-authored-by: archer <545436317@qq.com>