feat: make hold down bar tile goto edit screen

lib/views/bar_screen_view.dart

@@ -323,6 +323,8 @@ class _ProductGrid extends StatelessWidget {
                     product: product,
                     enabled: hasSelectedTab,
                     onTap: () => onProductTap(product),
+                    onLongPress: () =>
+                        context.go('/products/${product.id}/edit'),
                   );
                 },
               );

lib/views/widgets/product_tile.dart

@@ -9,6 +9,7 @@ class ProductTile extends StatelessWidget {
   final Product product;
   final bool enabled;
   final VoidCallback onTap;
+  final VoidCallback? onLongPress;
   static const _tileImageSize = 280.0;
 
   const ProductTile({
@@ -16,6 +17,7 @@ class ProductTile extends StatelessWidget {
     required this.product,
     required this.enabled,
     required this.onTap,
+    this.onLongPress,
   });
 
   @override
@@ -51,6 +53,7 @@ class ProductTile extends StatelessWidget {
           color: theme.cardTheme.color ?? scheme.surface,
           child: InkWell(
             onTap: enabled && !outOfStock ? onTap : null,
+            onLongPress: onLongPress,
             child: Stack(
               fit: StackFit.expand,
               children: [