xwayland: Emit AbstractDataSource::aboutToBeDestroyed() signal
The seat needs the AbstractDataSource::aboutToBeDestroyed() signal to properly clean up its tracked primary selection. BUG: 449101
The seat needs the AbstractDataSource::aboutToBeDestroyed() signal to properly clean up its tracked primary selection. BUG: 449101
mentioned in commit b04ad69d
·mentioned in commit b04ad69d