Closes #14917: Replace slim-select with tom-select (#15080)

* Experimenting

* Remove testing resources

* Replace ApiSelect with TomSelect

* Add color support

* Add clear button

* Clear cached options when searching dynamic selects

* Add support for static parameters

* Refactor TomSelect implementation

* Add dynamic parameter support

* Limit number of options to 100

* Remove redundant api_url definitions for user model

* Add support for disabled indicator

* Remove obsolete value-field attr on dynamic select widgets

* Remove obsolete fetch_trigger kwarg from dynamic model choice widgets

* Remove obsolete empty_label kwarg from dynamic model choice widgets

* Add support for API path variables

* Add support for setting a 'null' option

* Annotate depth for recursive hierarchies

* Misc cleanup

* Remove obsolete APISelect code

* Remove slim-select & just-debounce-it

* Clean up type validation

* Closes #14237: Clear child selections on change to parent selection

* Use an MD icon for the clear button

* Use an MD icon for the clear button

* Explain why noUnusedParameters is disabled

netbox/dcim/forms/filtersets.py

@@ -393,10 +393,7 @@ class RackReservationFilterForm(TenancyFilterForm, NetBoxModelFilterSetForm):
     user_id = DynamicModelMultipleChoiceField(
         queryset=get_user_model().objects.all(),
         required=False,
-        label=_('User'),
-        widget=APISelectMultiple(
-            api_url='/api/users/users/',
-        )
+        label=_('User')
     )
     tag = TagFilterField(model)
 
@@ -551,8 +548,7 @@ class ModuleTypeFilterForm(NetBoxModelFilterSetForm):
     manufacturer_id = DynamicModelMultipleChoiceField(
         queryset=Manufacturer.objects.all(),
         required=False,
-        label=_('Manufacturer'),
-        fetch_trigger='open'
+        label=_('Manufacturer')
     )
     part_number = forms.CharField(
         label=_('Part number'),
@@ -828,8 +824,7 @@ class VirtualDeviceContextFilterForm(
     device = DynamicModelMultipleChoiceField(
         queryset=Device.objects.all(),
         required=False,
-        label=_('Device'),
-        fetch_trigger='open'
+        label=_('Device')
     )
     status = forms.MultipleChoiceField(
         label=_('Status'),
@@ -855,8 +850,7 @@ class ModuleFilterForm(LocalConfigContextFilterForm, TenancyFilterForm, NetBoxMo
     manufacturer_id = DynamicModelMultipleChoiceField(
         queryset=Manufacturer.objects.all(),
         required=False,
-        label=_('Manufacturer'),
-        fetch_trigger='open'
+        label=_('Manufacturer')
     )
     module_type_id = DynamicModelMultipleChoiceField(
         queryset=ModuleType.objects.all(),
@@ -864,8 +858,7 @@ class ModuleFilterForm(LocalConfigContextFilterForm, TenancyFilterForm, NetBoxMo
         query_params={
             'manufacturer_id': '$manufacturer_id'
         },
-        label=_('Type'),
-        fetch_trigger='open'
+        label=_('Type')
     )
     status = forms.MultipleChoiceField(
         label=_('Status'),
@@ -1414,8 +1407,7 @@ class InventoryItemFilterForm(DeviceComponentFilterForm):
     role_id = DynamicModelMultipleChoiceField(
         queryset=InventoryItemRole.objects.all(),
         required=False,
-        label=_('Role'),
-        fetch_trigger='open'
+        label=_('Role')
     )
     manufacturer_id = DynamicModelMultipleChoiceField(
         queryset=Manufacturer.objects.all(),