[BUG] Cloned panels disappear after saving but reappear after dashboard reloaded

[bennettSummers]

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Describe the bug

When I make a clone of an existing panel and then save the dashboard, the newly cloned panel sometimes disappears after saving. However, if I go back to the dashboard menu and click on the dashboard that I just saved, the panel re-appears. This happens for changes as small as changing the title of a panel.

Related component

Other

To Reproduce

1. Go to an already-created dashboard with panels that have already been created.
2. Click on 'edit' at the top right.
3. Click on the upper right options gear of an already-created panel.
4. Click "Clone Panel"
5. Click on 'Save' in upper right.
6. Click 'Save' on pop-up window.
7. Observe that the panel you have cloned disappears.
8. Click on 'Dashboards' in upper left.
9. Click on the name of the Dashboard you just saved.
10. Once the dashboard loads, observe that the panel has reappeared.

Expected behavior

I expect that the panel should not disappear after I have saved my Dashboard. While it is present after the Dashboard has been reloaded, its disappearance after my save but before reloading makes me think that the panel was not saved. That is not true, as it is shows up upon reloading, but it is a distressing behavior.

Additional Details

Plugins Please list all plugins currently enabled.

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Host/Environment (please complete the following information):

• OS: Kubuntu with Firefox.
• Version 2.19.2

Additional context Add any other context about the problem here.