Renaming a name has different behavior than adding a name if the name exists

[jsoref]

Setup

1. Go to a zone
2. Create a record host, A, 1M, 10.0.0.2, enabled, (comment: 10)
3. Click + Add for that record
4. Create a record alternate, A, 1M, 192.168.0.3, enabled, (comment: 192)
5. Click + Add for that record
6. Click Save changes

Multiple resource recordsets

1. Edit the alternate record and change alternate to host
2. See:

• alternate A: 192.168.0.3 Name changes from alternate to host
• Multiple resource recordsets for host A

Added new resource record

1. Reload the page
2. Create a record host, A, 1M, 192.168.0.3, enabled, (comment: 192)
3. Click + Add for that record
4. See:

• host A: Added new resource record, Content = 192.168.0.3, Enabled = Yes

It seems a bit odd that one path is considered ok and one path is considered an error