Closes #20008: Job logging for bulk operation background jobs (#20022)

* WIP

* Misc cleanup

netbox/utilities/jobs.py

@@ -1,6 +1,3 @@
-from dataclasses import dataclass
-from typing import List
-
 from django.contrib import messages
 from django.utils.safestring import mark_safe
 from django.utils.translation import gettext_lazy as _
@@ -9,23 +6,16 @@ from netbox.jobs import AsyncViewJob
 from utilities.request import copy_safe_request
 
 __all__ = (
-    'AsyncJobData',
     'is_background_request',
     'process_request_as_job',
 )
 
 
-@dataclass
-class AsyncJobData:
-    log: List[str]
-    errors: List[str]
-
-
 def is_background_request(request):
     """
     Return True if the request is being processed as a background job.
     """
-    return getattr(request, '_background', False)
+    return hasattr(request, 'job')
 
 
 def process_request_as_job(view, request, name=None):
@@ -39,7 +29,6 @@ def process_request_as_job(view, request, name=None):
 
     # Create a serializable copy of the original request
     request_copy = copy_safe_request(request)
-    request_copy._background = True
 
     # Enqueue a job to perform the work in the background
     job = AsyncViewJob.enqueue(