fix(occupancies): assign room resources during transfers

apps/server/src/occupancies/dto/occupancy.dto.ts

@@ -25,9 +25,8 @@ export class CheckInDto {
   @IsOptional()
   @IsInt()
   responsibleOrganizationId?: number;
-  @IsOptional()
   @IsInt()
-  bedId?: number; // 后续改 required
+  bedId: number;
 
   @IsOptional()
   @IsInt()
@@ -58,9 +57,8 @@ export class TransferRoomDto {
   @IsString()
   oldBillingEndDate?: string; // 旧房计费截止日，默认=transferDate
 
-  @IsOptional()
   @IsInt()
-  newBedId?: number;
+  newBedId: number;
 
   @IsOptional()
   @IsInt()