Use DOM MutationObservers to detect when Gmail Compose window is in a state for receiving an injected signature #2
Description
Currently, the injection method relies on a setTimeout timer of 1 second. While this is consistent in terms of injecting the signature without problems, there is a slight delay in injecting the quote.
None of the feedback suggests this is a problem, but using a MutationObserver to determine the exact moment to inject the signature could make this even snappier.