Fixed "await" for refreshable states

- Progress indicator stays in place until calls are completed

lib/widget/category_display.dart

@@ -62,7 +62,7 @@ class _CategoryDisplayState extends RefreshableState<CategoryDisplayWidget> {
     int pk = category?.pk ?? -1;
 
     // Request a list of sub-categories under this one
-    InvenTreePartCategory().list(context, filters: {"parent": "$pk"}).then((var cats) {
+    await InvenTreePartCategory().list(context, filters: {"parent": "$pk"}).then((var cats) {
       _subcategories.clear();
 
       for (var cat in cats) {
@@ -76,7 +76,7 @@ class _CategoryDisplayState extends RefreshableState<CategoryDisplayWidget> {
     });
 
     // Request a list of parts under this category
-    InvenTreePart().list(context, filters: {"category": "$pk"}).then((var parts) {
+    await InvenTreePart().list(context, filters: {"category": "$pk"}).then((var parts) {
       _parts.clear();
 
       for (var part in parts) {

lib/widget/company_list.dart

@@ -60,7 +60,7 @@ class _CompanyListState extends RefreshableState<CompanyListWidget> {
   @override
   Future<void> request(BuildContext context) async {
 
-    InvenTreeCompany().list(context, filters: _filters).then((var companies) {
+    await InvenTreeCompany().list(context, filters: _filters).then((var companies) {
 
       _companies.clear();
 

lib/widget/location_display.dart

@@ -68,7 +68,7 @@ class _LocationDisplayState extends RefreshableState<LocationDisplayWidget> {
     int pk = location?.pk ?? -1;
 
     // Request a list of sub-locations under this one
-    InvenTreeStockLocation().list(context, filters: {"parent": "$pk"}).then((var locs) {
+    await InvenTreeStockLocation().list(context, filters: {"parent": "$pk"}).then((var locs) {
       _sublocations.clear();
 
       for (var loc in locs) {
@@ -76,23 +76,21 @@ class _LocationDisplayState extends RefreshableState<LocationDisplayWidget> {
           _sublocations.add(loc);
         }
       }
-
-      setState(() {});
-
-      // Request a list of stock-items under this one
-      InvenTreeStockItem().list(context, filters: {"location": "$pk"}).then((var items) {
-        _items.clear();
-
-        for (var item in items) {
-          if (item is InvenTreeStockItem) {
-            _items.add(item);
-          }
-        }
-
-        setState(() {});
-      });
-
     });
+
+    setState(() {});
+
+    await InvenTreeStockItem().list(context, filters: {"location": "$pk"}).then((var items) {
+      _items.clear();
+
+      for (var item in items) {
+        if (item is InvenTreeStockItem) {
+          _items.add(item);
+        }
+      }
+    });
+
+    setState(() {});
   }
 
   Widget locationDescriptionCard() {

lib/widget/part_stock_detail.dart

@@ -46,7 +46,6 @@ class _PartStockDisplayState extends RefreshableState<PartStockDetailWidget> {
     await part.reload(context);
     await part.getStockItems(context);
 
-    print("request");
     setState(() {
     });
   }