feat: Key-value pair view for environment[INS-4256]

[cwangsmv]

Highlight and Changes:

Add new KV-pair view for environment

• Collection environment

• Global environment

• Folder environment

• UI Change:

  • [x] New key-pair table for collection environment, global environment and folder environment UI
  • [x] Prompt JSON editor modal
  • [x] Add button to switch JSON view & kv pair view
  • [ ] Confirm naming and default view for environment

• Models Change:

  • [x] Add type and kv pair data attribute to environment and request-group data model
  • [x] Ensure that newly add attributes won't add new attributes to old datas in git sync

• Data transform

  • [x] JSON and kv pair data transform logic