Added 2 additional possible entries in the api request: alwayson_script_name, a string list, and, alwayson_script_args, a list of list containing the args of each script. This allows us to send args to always on script and keep backwards compatibility with old script_name and script_arg api params
Solves problems with
```Traceback (most recent call last):
File "webui.py", line 201, in <module>
webui()
File "webui.py", line 178, in webui
create_api(app)
File "webui.py", line 117, in create_api
from modules.api.api import Api
File "H:\AIart\stable-diffusion\stable-diffusion-webui\modules\api\api.py", line 9, in <module>
from modules.api.models import *
File "H:\AIart\stable-diffusion\stable-diffusion-webui\modules\api\models.py", line 194, in <module>
class SamplerItem(BaseModel):
File "H:\AIart\stable-diffusion\stable-diffusion-webui\modules\api\models.py", line 196, in SamplerItem
aliases: list[str] = Field(title="Aliases")
TypeError: 'type' object is not subscriptable```
and
```Traceback (most recent call last):
File "webui.py", line 201, in <module>
webui()
File "webui.py", line 178, in webui
create_api(app)
File "webui.py", line 117, in create_api
from modules.api.api import Api
File "H:\AIart\stable-diffusion\stable-diffusion-webui\modules\api\api.py", line 9, in <module>
from modules.api.models import *
File "H:\AIart\stable-diffusion\stable-diffusion-webui\modules\api\models.py", line 194, in <module>
class SamplerItem(BaseModel):
File "H:\AIart\stable-diffusion\stable-diffusion-webui\modules\api\models.py", line 197, in SamplerItem
options: dict[str, str] = Field(title="Options")
TypeError: 'type' object is not subscriptable```
