Fix network cache images

- Changed from using flutter_advanced_networkimage to cached_network_image
- flutter_advanced_networkimage is now outdated
- cached_network_image is the pseudo official library

lib/widget/category_display.dart

@@ -11,7 +11,6 @@ import 'package:flutter/cupertino.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 
-import 'package:flutter_advanced_networkimage/provider.dart';
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';
 
 class CategoryDisplayWidget extends StatefulWidget {
@@ -260,10 +259,7 @@ class PartList extends StatelessWidget {
     return ListTile(
       title: Text("${part.name}"),
       subtitle: Text("${part.description}"),
-      leading: Image(
-        image: InvenTreeAPI().getImage(part.thumbnail),
-        width: 48,
-      ),
+      leading: InvenTreeAPI().getImage(part.thumbnail),
       onTap: () {
         _openPart(context, part.pk);
       },

lib/widget/company_detail.dart

@@ -115,10 +115,7 @@ class _CompanyDetailState extends RefreshableState<CompanyDetailWidget> {
       child: ListTile(
         title: Text("${company.name}"),
         subtitle: Text("${company.description}"),
-        leading: Image(
-          image: InvenTreeAPI().getImage(company.image),
-          width: 48,
-        ),
+        leading: InvenTreeAPI().getImage(company.image),
         trailing: IconButton(
           icon: FaIcon(FontAwesomeIcons.edit),
           onPressed: editCompanyDialog,

lib/widget/company_list.dart

@@ -93,10 +93,7 @@ class _CompanyListState extends RefreshableState<CompanyListWidget> {
       return ListTile(
         title: Text("${company.name}"),
         subtitle: Text("${company.description}"),
-        leading: Image(
-            image: InvenTreeAPI().getImage(company.image),
-            width: 40,
-        ),
+        leading: InvenTreeAPI().getImage(company.image),
         onTap: () {
           if (company.pk > 0) {
             InvenTreeCompany().get(context, company.pk).then((var c) {

lib/widget/location_display.dart

@@ -243,10 +243,7 @@ class StockList extends StatelessWidget {
     return ListTile(
       title: Text("${item.partName}"),
       subtitle: Text("${item.partDescription}"),
-      leading: Image(
-        image: InvenTreeAPI().getImage(item.partThumbnail),
-        width: 48,
-      ),
+      leading: InvenTreeAPI().getImage(item.partThumbnail),
       trailing: Text("${item.displayQuantity}",
         style: TextStyle(fontWeight: FontWeight.bold),
       ),

lib/widget/part_detail.dart

@@ -121,9 +121,7 @@ class _PartDisplayState extends RefreshableState<PartDetailWidget> {
         child: ListTile(
           title: Text("${part.fullname}"),
           subtitle: Text("${part.description}"),
-          leading: Image(
-            image: InvenTreeAPI().getImage(part.image)
-          ),
+          leading: InvenTreeAPI().getImage(part.image),
           trailing: IconButton(
             icon: FaIcon(FontAwesomeIcons.edit),
             onPressed: _editPartDialog,

lib/widget/stock_detail.dart

@@ -331,9 +331,7 @@ class _StockItemDisplayState extends RefreshableState<StockDetailWidget> {
         child: ListTile(
           title: Text("${item.partName}"),
           subtitle: Text("${item.partDescription}"),
-          leading: Image(
-            image: InvenTreeAPI().getImage(item.partImage),
-          ),
+          leading: InvenTreeAPI().getImage(item.partImage),
           trailing: IconButton(
             icon: FaIcon(FontAwesomeIcons.edit),
             onPressed: _editStockItemDialog,
@@ -413,10 +411,7 @@ class _StockItemDisplayState extends RefreshableState<StockDetailWidget> {
           title: Text("${item.supplierName}"),
           subtitle: Text("${item.supplierSKU}"),
           leading: FaIcon(FontAwesomeIcons.industry),
-          trailing: Image(
-            image: InvenTreeAPI().getImage(item.supplierImage),
-            height: 32,
-          ),
+          trailing: InvenTreeAPI().getImage(item.supplierImage),
           onTap: null,
         )
       );