text: Title: Deleting RoI
  Body: <!-- Please search existing issues to avoid creating duplicates. -->
  
  ### Environment Information
  
  -   geemap version: 0.8.18
  -   Python version: 3.9
  -   Operating System: Debian
  
  ### Description
  
  If the user has drawn many ROIs, it works perfectly when you apply any kinda processing on the last drawn RoI, However, if you delete the last drawn RoI it will keep applying the processing on the RoI you deleted instead of using the previous RoI.
  
  Describe what you were trying to get done.
  Tell us what happened, what went wrong, and what you expected to happen.
  
  