Implement filtering which accommodates new inheritable BOM feature

- Can no longer filter bom_items by sub_part
- Adds get_used_in_filter() and get_used_in() for part model (returns a query of other part objects)

InvenTree/part/templates/part/part_base.html

@@ -133,11 +133,18 @@
             <td>{% decimal on_order %}</td>
         </tr>
         {% endif %}
-        {% if required > 0 %}
+        {% if required_build_order_quantity > 0 %}
         <tr>
             <td><span class='fas fa-clipboard-list'></span></td>
-            <td>{% trans "Required for Orders" %}</td>
-            <td>{% decimal required %}
+            <td>{% trans "Required for Build Orders" %}</td>
+            <td>{% decimal required_build_order_quantity %}
+        </tr>
+        {% endif %}
+        {% if required_sales_order_quantity > 0 %}
+        <tr>
+            <td><span class='fas fa-clipboard-list'></span></td>
+            <td>{% trans "Required for Sales Orders" %}</td>
+            <td>{% decimal required_sales_order_quantity %}
         </tr>
         {% endif %}
         {% if allocated > 0 %}

InvenTree/part/templates/part/used_in.html

@@ -22,10 +22,14 @@
 {% block js_ready %}
 {{ block.super }}
 
-    loadUsedInTable('#used-table', {
-        part_detail: true,
-        part_id: {{ part.pk }}
-    });
+    loadSimplePartTable('#used-table',
+        '{% url "api-part-list" %}',
+        {
+            params: {
+                uses: {{ part.pk }},
+            }
+        }
+    );
 
 
 {% endblock %}