add items per wagon map to cargo types and sync bulk rate units

- Implemented  in the  to manage the physical item capacity for each wagon type.
- Added a new migration to create the  column in the  table.
- Introduced  method in  to update rate units when cargo type unit of measure changes.
- Updated booking calculations to consider items per wagon for break-bulk cargo.
- Refactored various components to utilize the new items fit logic and ensure consistent date formatting across the application.
- Added tests for the new display timezone functionality to ensure consistent date/time representation across different user settings.

apps/edr-freight-web/backoffice/src/components/contracts/GlExchangePanel.tsx

@@ -29,7 +29,6 @@ import {
   Upload,
   UserCheck,
 } from "lucide-react";
-import dayjs from "dayjs";
 import toast from "react-hot-toast";
 import type { Freight } from "@edr/types";
 import { isViewable } from "@edr/ui-common";
@@ -299,7 +298,14 @@ function DocumentRow({
             <Text size="xs" c="dimmed" mt={4} truncate>
               {doc.file.name} · {formatBytes(doc.file.size)} ·{" "}
               {doc.uploadedByName ?? "Global Logistics"} ·{" "}
-              {dayjs(doc.uploadedAt).format("D MMM YYYY, HH:mm")}
+              {new Date(doc.uploadedAt).toLocaleString("en-GB", {
+                day: "numeric",
+                month: "short",
+                year: "numeric",
+                hour: "2-digit",
+                minute: "2-digit",
+                hour12: false,
+              })}
             </Text>
           </Box>
         </Group>