If webpushd dies, all future communication with it from NetworkProcess fails because we don't re-send the connection configuration to the daemon after the connection is interrupted. This manifests itself as an "invalid sender" AbortError from various PushManager methods because webpushd doesn't know the bundle identifier of the UIProcess it is working on behalf of.
<rdar://93036066>
Pull request: https://github.com/WebKit/WebKit/pull/583
Committed r294084 (250475@main): <https://commits.webkit.org/250475@main> Reviewed commits have been landed. Closing PR #583 and removing active labels.