Add "IPN" column to part table

InvenTree/templates/js/part.html

@@ -95,6 +95,8 @@ function loadPartTable(table, url, options={}) {
             field: 'pk',
             title: 'ID',
             visible: false,
+            switchable: false,
+            searchable: false,
         }
     ];
 
@@ -103,9 +105,16 @@ function loadPartTable(table, url, options={}) {
             checkbox: true,
             title: '{% trans 'Select' %}',
             searchable: false,
+            switchable: false,
         });
     }
 
+    columns.push({
+        field: 'IPN',
+        title: 'IPN',
+        sortable: true,
+    }),
+
     columns.push({
         field: 'name',
         title: '{% trans 'Part' %}',
@@ -231,6 +240,7 @@ function loadPartTable(table, url, options={}) {
         original: params,
         formatNoMatches: function() { return "{% trans "No parts found" %}"; },
         columns: columns,
+        showColumns: true,
     });
 
     if (options.buttons) {