add quantity cap for GENERAL contracts and implement capacity tracking

- Updated ContractClearanceService and ContractsController to remove region parameter from queue method.
- Enhanced ContractsRepository to attach contract files for download and added attachContractFiles method.
- Modified ContractsService to persist cargo scope with quantity cap based on contract kind.
- Introduced quantityCap field in CreateContractCargoScopeDto and ContractCargoScope entity.
- Implemented capacity tracking in the frontend with ContractCapacityNotice component to display remaining bookable quantities.
- Updated various components and services to support new capacity features, including hooks and API calls.
- Added migration to include quantity_cap column in contract_cargo_scope table.

apps/edr-freight-web/backoffice/src/pages/contracts/ContractClearanceListPage.tsx

@@ -46,7 +46,6 @@ import {
 } from "@/hooks/contracts/useContracts";
 
 type ViewMode = "table" | "cards";
-type Region = "ET" | "DJ";
 
 interface ClearanceRow {
   id: string;
@@ -118,12 +117,11 @@ export default function ContractClearanceListPage({
   opsMode?: boolean;
 } = {}) {
   const navigate = useNavigate();
-  const [region, setRegion] = useState<Region>("ET");
   const [query, setQuery] = useState("");
   const [view, setView] = useState<ViewMode>("table");
   const { pagination, setPagination } = usePagination({ pageSize: 10 });
 
-  const glQueue = useContractClearanceQueue(region, !opsMode);
+  const glQueue = useContractClearanceQueue(!opsMode);
   const opsQueue = useOpsClearanceQueue(opsMode);
   const { data, isLoading, isError, isFetching, refetch } = opsMode
     ? opsQueue
@@ -340,24 +338,6 @@ export default function ContractClearanceListPage({
                   style={{ flex: 1, minWidth: 220 }}
                 />
                 <Group gap="sm" wrap="nowrap">
-                  {!opsMode && (
-                    <SegmentedControl
-                      size="sm"
-                      radius="md"
-                      value={region}
-                      onChange={(v) => {
-                        setRegion(v as Region);
-                        setPagination({
-                          pageIndex: 0,
-                          pageSize: pagination.pageSize,
-                        });
-                      }}
-                      data={[
-                        { value: "ET", label: "Ethiopia" },
-                        { value: "DJ", label: "Djibouti" },
-                      ]}
-                    />
-                  )}
                   <Text size="sm" c="dimmed">
                     {total} record{total !== 1 ? "s" : ""}
                   </Text>