tinypilot
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Provide “go back” functionality in error dialog
As pointed out in https://github.com/mtlynch/tinypilot/pull/708, when an error occurs in a dialog, the user effectively hits a dead end. In order to start over they have to close the overlay and start the dialog again manually from the menu. In some cases (e.g. Virtual Media) this can be annoying.
This would require us to unify the initialization procedure of the dialogs in some way, so that we can reinitialize the dialog from other places as well (not just from the menu event handlers in app.js).