fix: slide order

server/app/__init__.py

server/app/apis/__init__.py

server/app/apis/codes.py

server/app/apis/competitions.py

server/app/apis/components.py

server/app/apis/misc.py

server/app/apis/slides.py

server/app/apis/teams.py

server/app/core/__init__.py

server/app/core/codes.py

server/app/core/dto.py

server/app/database/__init__.py

server/app/database/base.py

server/app/database/controller/__init__.py

server/app/database/controller/add.py

server/app/database/controller/delete.py

server/app/database/controller/edit.py

server/app/database/controller/get.py

server/app/database/controller/utils.py

server/app/database/models.py