Closes #12246: General cleanup of utilities modules

* Clean up base modules

* Clean up forms modules

* Clean up templatetags modules

* Replace custom simplify_decimal filter with floatformat

* Misc cleanup

* Merge ReturnURLForm into ConfirmationForm

* Clean up import statements for utilities.forms

* Fix field class references in docs

netbox/core/forms/bulk_edit.py

@@ -4,7 +4,9 @@ from django.utils.translation import gettext as _
 from core.choices import DataSourceTypeChoices
 from core.models import *
 from netbox.forms import NetBoxModelBulkEditForm
-from utilities.forms import add_blank_choice, BulkEditNullBooleanSelect, CommentField
+from utilities.forms import add_blank_choice
+from utilities.forms.fields import CommentField
+from utilities.forms.widgets import BulkEditNullBooleanSelect
 
 __all__ = (
     'DataSourceBulkEditForm',

netbox/core/forms/filtersets.py

@@ -8,10 +8,9 @@ from core.models import *
 from extras.forms.mixins import SavedFiltersMixin
 from extras.utils import FeatureQuery
 from netbox.forms import NetBoxModelFilterSetForm
-from utilities.forms import (
-    APISelectMultiple, BOOLEAN_WITH_BLANK_CHOICES, ContentTypeChoiceField, DateTimePicker,
-    DynamicModelMultipleChoiceField, FilterForm,
-)
+from utilities.forms import BOOLEAN_WITH_BLANK_CHOICES, FilterForm
+from utilities.forms.fields import ContentTypeChoiceField, DynamicModelMultipleChoiceField
+from utilities.forms.widgets import APISelectMultiple, DateTimePicker
 
 __all__ = (
     'DataFileFilterForm',

netbox/core/forms/model_forms.py

@@ -6,7 +6,8 @@ from core.models import *
 from extras.forms.mixins import SyncedDataMixin
 from netbox.forms import NetBoxModelForm
 from netbox.registry import registry
-from utilities.forms import CommentField, get_field_value
+from utilities.forms import get_field_value
+from utilities.forms.fields import CommentField
 from utilities.forms.widgets import HTMXSelect
 
 __all__ = (