text: Title: [FR] able to change class name of a bounding box and edit a bounding box
  Body: ### Proposal Summary
  
  currently, in order to change the class name of a bounding box, user need to launch an annotation tool like CVAT. this is cumbersome. 
  
  beside this, it's create if we can edit a bounding box in fiftyone
  
  ### Motivation
  
  -   What is the use case for this feature? easier change of annotation
  -   Why is this use case valuable to support for FiftyOne users in general? ease of use for bounding box annotation
  -   Why is this use case valuable to support for your project(s) or organization? bounding box annotation
  -   Why is it currently difficult to achieve this use case? need to always load to CVAT and it's cumbersome
  
  ### What areas of FiftyOne does this feature affect?
  
  -   [ x ] App: FiftyOne application
  -   [ ] Core: Core `fiftyone` Python library
  -   [ ] Server: FiftyOne server
  
  ### Details
  
  P1: able to change class name of bounding box in Fiftyone
  P2: able to edit bounding box coordinate if bounding box is in accurate 
  P3: able to create / delete bbox
  
  ### Willingness to contribute
  
  The FiftyOne Community welcomes contributions! Would you or another member of your organization be willing to contribute an implementation of this feature?
  
  -   [ ] Yes. I can contribute this feature independently
  -   [ ] Yes. I would be willing to contribute this feature with guidance from the FiftyOne community
  -   [x] No. I cannot contribute this feature at this time
  