[MM-15925] Add includeDeleted flag to GetForPost in FileInfoStore (#11585)

app/notification.go

@@ -46,7 +46,7 @@ func (a *App) SendNotifications(post *model.Post, team *model.Team, channel *mod
 	if len(post.FileIds) != 0 {
 		fchan = make(chan store.StoreResult, 1)
 		go func() {
-			fileInfos, err := a.Srv.Store.FileInfo().GetForPost(post.Id, true, true)
+			fileInfos, err := a.Srv.Store.FileInfo().GetForPost(post.Id, true, false, true)
 			fchan <- store.StoreResult{Data: fileInfos, Err: err}
 			close(fchan)
 		}()