docs: public String getAssignedOu() {
  
          try {
              CmsOrganizationalUnit ou;
              if (!isNewProject()) {
                  ou = OpenCms.getOrgUnitManager().readOrganizationalUnit(getCms(), m_project.getOuFqn());
              } else {
                  ou = OpenCms.getRoleManager().getOrgUnitsForRole(getCms(), CmsRole.PROJECT_MANAGER, true).get(0);
              }
              return ou.getDisplayName(getLocale());
          } catch (CmsException e) {
              return null;
          }
      }