[Scripting] Try to ensure that the `WillPrint`/`DidPrint` respectively `DidSave` events are always dispatched#12771

Merged

calixteman merged 2 commits intomozilla:masterfrom Snuffleupagus:viewer-dispatchEventInSandbox-fixes

Dec 24, 2020

+25-20

Commits on Dec 23, 2020

[Scripting] Try to ensure that the WillPrint/DidPrint respectively DidSave events are always dispatched
Snuffleupagus
committed
[Scripting] Await manually triggered dispatchEventInSandbox calls in the viewer
Snuffleupagus
committed