[MM15037] Stop sending notifications to user whose Oauth bot posted (#15953)

Co-authored-by: Cam Graff <cameron@woodridgesoftware.com>

app/notification.go

@@ -126,7 +126,14 @@ func (a *App) SendNotifications(post *model.Post, team *model.Team, channel *mod
 		if post.RootId != "" && parentPostList != nil {
 			for _, threadPost := range parentPostList.Posts {
 				profile := profileMap[threadPost.UserId]
-				if profile != nil && (profile.NotifyProps[model.COMMENTS_NOTIFY_PROP] == model.COMMENTS_NOTIFY_ANY || (profile.NotifyProps[model.COMMENTS_NOTIFY_PROP] == model.COMMENTS_NOTIFY_ROOT && threadPost.Id == parentPostList.Order[0])) {
+				if profile == nil {
+					continue
+				}
+				// If this is the root post and it was posted by an OAuth bot, don't notify the user
+				if threadPost.Id == parentPostList.Order[0] && threadPost.IsFromOAuthBot() {
+					continue
+				}
+				if profile.NotifyProps[model.COMMENTS_NOTIFY_PROP] == model.COMMENTS_NOTIFY_ANY || (profile.NotifyProps[model.COMMENTS_NOTIFY_PROP] == model.COMMENTS_NOTIFY_ROOT && threadPost.Id == parentPostList.Order[0]) {
 					mentionType := ThreadMention
 					if threadPost.Id == parentPostList.Order[0] {
 						mentionType = CommentMention