feat: enable using GenAI for cameras with GenAI disabled from the API (#18616)

frigate/api/defs/query/regenerate_query_parameters.py

@@ -1,9 +1,13 @@
 from typing import Optional
 
-from pydantic import BaseModel
+from pydantic import BaseModel, Field
 
 from frigate.events.types import RegenerateDescriptionEnum
 
 
 class RegenerateQueryParameters(BaseModel):
     source: Optional[RegenerateDescriptionEnum] = RegenerateDescriptionEnum.thumbnails
+    force: Optional[bool] = Field(
+        default=False,
+        description="Force (re)generating the description even if GenAI is disabled for this camera.",
+    )