Add special handling for admin users in order permissions

Modifies order and line item permission logic to give admin users full access to all orders and line items, bypassing the regular complex joins queries to get orders editable by producers. These complex joins are needed for regular users but for user admins we need to return all orders.

app/services/permissions/order.rb

@@ -29,12 +29,17 @@ module Permissions
 
     # Any orders that the user can edit
     def editable_orders
-      orders = Spree::Order.joins(:distributor).where(
-        id: produced_orders.select(:id),
-        distributor: { enable_producers_to_edit_orders: true }
-      ).or(
-        managed_or_coordinated_orders_where_clause
-      )
+      orders = if @user.admin?
+                 # It returns all orders if the user is an admin
+                 managed_or_coordinated_orders_where_clause
+               else
+                 Spree::Order.joins(:distributor).where(
+                   id: produced_orders.select(:id),
+                   distributor: { enable_producers_to_edit_orders: true }
+                 ).or(
+                   managed_or_coordinated_orders_where_clause
+                 )
+               end
 
       filtered_orders(orders)
     end
@@ -45,13 +50,20 @@ module Permissions
 
     # Any line items that I can edit
     def editable_line_items
-      Spree::LineItem.editable_by_producers(
-        @permissions.managed_enterprises.select("enterprises.id")
-      ).or(
-        Spree::LineItem.where(
-          order_id: filtered_orders(managed_or_coordinated_orders_where_clause).select(:id)
-        )
+      managed_or_coordinated_line_items_where_clause = Spree::LineItem.where(
+        order_id: filtered_orders(managed_or_coordinated_orders_where_clause).select(:id)
       )
+
+      if @user.admin?
+        # It returns all line_items if the user is an admin
+        managed_or_coordinated_line_items_where_clause
+      else
+        Spree::LineItem.editable_by_producers(
+          @permissions.managed_enterprises.select("enterprises.id")
+        ).or(
+          managed_or_coordinated_line_items_where_clause
+        )
+      end
     end
 
     private