IDE notification is possible in community edition?
SonarLint Smart Notifications is available as part of the Developer Edition.
without Sonarlint, notification is possible?
beside Sonarlint Smart Notifications - available only with Developer Edition or higher - the Sonarqube server is able to notify external services via webhook, see Sonarqube documentation webhooks
smartnotification is possible in webstorm IDE?
a quick research via https://www.sonarlint.org/intellij/ and
Compatible with: IntelliJ IDEA , PhpStorm , WebStorm , PyCharm , RubyMine , AppCode , DataGrip , Android Studio
so the short answer is yes with Sonarqube Developer Edition or higher.