Fixes T10612. We're writing a new panel to any dashboard even if it already exists. No need when just updating a panel title.
- Maniphest Tasks
- T10612: Editing a panel causes it to duplicate in dashboard
- rP1cb924ce68ba: Fix duplicating panel when editing in column 2
Add "welcome" panel to column 2 of a clean dashboard. Edit title, save. See correct panel in correct place.