Deleting the first page in a community does not check if the new first page is of the allowed type, or is hidden

• Type: Bug
• Status: Closed
• Resolution: No Longer Reproducible
• Affects Version/s: 5.1.2, 5.2.3
• Fix Version/s: --Sprint 11/12, 6.2.0 CE M2
• Component/s: WCM
• Labels: None
• Branch Version/s:
  5.2.x, 5.1.x

when deleting the first page of a community, the service does not check if the new first page meets the "first pageable" rules; if it is the required type or is hidden.