Cleaup for delete supplier part form

InvenTree/company/templates/company/partdelete.html

@@ -1 +1,5 @@
-Are you sure you want to delete this supplier part?
+{% extends "modal_delete_form.html" %}
+
+{% block pre_form_content %}
+Are you sure you want to delete this supplier part?
+{% endblock %}

InvenTree/company/templates/company/partdetail.html

@@ -109,7 +109,7 @@ InvenTree | {{ company.name }} - Parts
     });
 
     $('#delete-part').click(function() {
-        launchDeleteForm(
+        launchModalForm(
                          "{% url 'supplier-part-delete' part.id %}",
                          {
                              redirect: "{% url 'company-index' %}"

InvenTree/part/views.py

@@ -804,3 +804,4 @@ class SupplierPartDelete(AjaxDeleteView):
     success_url = '/supplier/'
     ajax_template_name = 'company/partdelete.html'
     ajax_form_title = 'Delete Supplier Part'
+    context_object_name = 'supplier_part'