Wizard: Create parent group for current and experimental project wizard

idea/idea-jvm/src/org/jetbrains/kotlin/idea/framework/KotlinTemplatesFactory.kt

@@ -32,10 +32,12 @@ class KotlinTemplatesFactory : ProjectTemplatesFactory() {
         val EP_NAME = ExtensionPointName.create<ModuleBuilder>("org.jetbrains.kotlin.moduleBuilder")
 
         val KOTLIN_GROUP_NAME: String = "Kotlin"
+        val KOTLIN_PARENT_GROUP_NAME = "Kotlin Group"
     }
 
     override fun getGroups() = arrayOf(KOTLIN_GROUP_NAME)
     override fun getGroupIcon(group: String) = KotlinIcons.SMALL_LOGO
+    override fun getParentGroup(group: String?): String = KOTLIN_PARENT_GROUP_NAME
 
     override fun createTemplates(group: String?, context: WizardContext?): Array<out ProjectTemplate> {
         val result = mutableListOf<ProjectTemplate>(

idea/idea-new-project-wizard/src/org/jetbrains/kotlin/tools/projectWizard/wizard/NewProjectWizardModuleBuilder.kt

@@ -13,6 +13,7 @@ import com.intellij.openapi.roots.ui.configuration.ModulesProvider
 import com.intellij.openapi.ui.Messages
 import com.intellij.util.SystemProperties
 import org.jetbrains.kotlin.idea.framework.KotlinModuleSettingStep
+import org.jetbrains.kotlin.idea.framework.KotlinTemplatesFactory
 import org.jetbrains.kotlin.idea.util.application.runWriteAction
 import org.jetbrains.kotlin.platform.jvm.JvmPlatforms
 import org.jetbrains.kotlin.tools.projectWizard.core.Failure
@@ -44,6 +45,8 @@ class NewProjectWizardModuleBuilder : ModuleBuilder() {
     private var wizardContext: WizardContext? = null
 
     override fun getModuleType(): ModuleType<*> = NewProjectWizardModuleType()
+    override fun getParentGroup(): String = KotlinTemplatesFactory.KOTLIN_PARENT_GROUP_NAME
+
     override fun createWizardSteps(
         wizardContext: WizardContext,
         modulesProvider: ModulesProvider