[kotlin] KTIJ-26772 Compiler new version notification is no longer a Suggestion

GitOrigin-RevId: 1462cb639f6e455b612c3d319eaab04d2968ae4d

plugins/kotlin/migration/src/org/jetbrains/kotlin/idea/configuration/notifications/newExternalKotlinCompilerNotification.kt

@@ -62,10 +62,8 @@ fun showNewKotlinCompilerAvailableNotificationIfNeeded(project: Project) {
                     KotlinMigrationBundle.message("kotlin.external.compiler.updates.notification.content.0", bundledKotlinVersion),
                     NotificationType.INFORMATION,
                 )
-                .setSuggestionType(true)
                 .addAction(createWhatIsNewAction(bundledKotlinVersion))
                 .setIcon(KotlinIcons.SMALL_LOGO)
-                .setImportant(true)
                 .notify(project)
         }
         .submit(AppExecutorUtil.getAppExecutorService())

plugins/kotlin/plugin/common/resources/META-INF/kotlin-core.xml

@@ -443,7 +443,7 @@
   <extensions defaultExtensionNs="com.intellij">
     <notificationGroup
             id="kotlin.external.compiler.updates"
-            displayType="STICKY_BALLOON"
+            displayType="BALLOON"
             key="kotlin.external.compiler.updates.notification.group.name"
     />
     <notificationGroup