Adds refresh and filtering for "company" table

InvenTree/company/templates/company/index.html

@@ -25,6 +25,7 @@
 <div class='panel-content'>
     
     <div id='button-toolbar'>
+        {% include "filter_list.html" with id='company' %}
     </div>
     
     <table class='table table-striped table-condensed' id='company-table' data-toolbar='#button-toolbar'>

InvenTree/templates/js/translated/company.js

@@ -380,6 +380,7 @@ function loadCompanyTable(table, url, options={}) {
         url: url,
         method: 'get',
         queryParams: filters,
+        original: params,
         groupBy: false,
         sidePagination: 'server',
         formatNoMatches: function() {

InvenTree/templates/js/translated/table_filters.js

@@ -381,6 +381,24 @@ function getAvailableTableFilters(tableKey) {
         };
     }
 
+    // Filters for "company" table
+    if (tableKey == 'company') {
+        return {
+            is_manufacturer: {
+                type: 'bool',
+                title: '{% trans "Manufacturer" %}',
+            },
+            is_supplier: {
+                type: 'bool',
+                title: '{% trans "Supplier" %}',
+            },
+            is_customer: {
+                type: 'bool',
+                title: '{% trans "Customer" %}',
+            },
+        };
+    }
+
     // Filters for the "Parts" table
     if (tableKey == 'parts') {
         return {