Render filter options as a template

- This allows the values to be seen by the translation layer
- Also means that whenever a new option is added, it will be automatically available to the front-end!

InvenTree/part/templatetags/inventree_extras.py

@@ -7,10 +7,22 @@ from InvenTree import version
 from InvenTree.helpers import decimal2string
 
 from common.models import InvenTreeSetting
+from InvenTree.status_codes import OrderStatus, StockStatus, BuildStatus
 
 register = template.Library()
 
 
+@register.simple_tag(takes_context=True)
+def load_status_codes(context):
+
+    context['order_status_codes'] = OrderStatus.list()
+    context['stock_status_codes'] = StockStatus.list()
+    context['build_status_codes'] = BuildStatus.list()
+
+    # Need to return something as the result is rendered to the page
+    return ''
+
+
 @register.simple_tag()
 def decimal(x, *args, **kwargs):
     """ Simplified rendering of a decimal number """