I'm afraid we can't ship this atm, there is no way to make sure that the icon will work with both light and dark panels, and therefore it's up to theme creators to ship it themselves (the icon name should be "synapse-panel" to make sure it doesn't effect the main icon).
I'm afraid we can't ship this atm, there is no way to make sure that the icon will work with both light and dark panels, and therefore it's up to theme creators to ship it themselves (the icon name should be "synapse-panel" to make sure it doesn't effect the main icon).