Add enabling css into wizard

#KT-39770 fixed

idea/idea-gradle/src/org/jetbrains/kotlin/idea/configuration/GradleKotlinFrameworkSupportProvider.kt

@@ -208,7 +208,9 @@ abstract class GradleKotlinJSFrameworkSupportProvider(
             """
                 kotlin {
                     js {
-                        $jsSubTargetName { }
+                        $jsSubTargetName {
+                            ${additionalSubTargetSettings() ?: ""}
+                        }
                         binaries.executable()
                     }
                 }
@@ -216,6 +218,8 @@ abstract class GradleKotlinJSFrameworkSupportProvider(
         )
     }
 
+    abstract fun additionalSubTargetSettings(): String?
+
     override fun getPluginId() = KotlinJsGradleModuleConfigurator.KOTLIN_JS
     override fun getPluginExpression() = "id 'org.jetbrains.kotlin.js'"
     override fun getDependencies(sdk: Sdk?) = listOf(MAVEN_JS_STDLIB_ID)
@@ -244,6 +248,9 @@ open class GradleKotlinJSBrowserFrameworkSupportProvider(
         super.addSupport(buildScriptData, module, sdk, specifyPluginVersionIfNeeded, explicitPluginVersion)
         addBrowserSupport(module)
     }
+
+    override fun additionalSubTargetSettings(): String? =
+        browserConfiguration()
 }
 
 open class GradleKotlinJSNodeFrameworkSupportProvider(
@@ -253,6 +260,9 @@ open class GradleKotlinJSNodeFrameworkSupportProvider(
     override val jsSubTargetName: String
         get() = "nodejs"
 
+    override fun additionalSubTargetSettings(): String? =
+        null
+
     override fun getDescription() =
         KotlinIdeaGradleBundle.message("description.text.a.single.platform.kotlin.library.or.application.targeting.js.for.node.js")
 }

idea/idea-gradle/src/org/jetbrains/kotlin/idea/configuration/GradleKotlinFrameworkSupportProviderUtils.kt

@@ -62,4 +62,20 @@ internal fun addBrowserSupport(module: Module) {
             """.trimIndent().trim()
         )
     }
+}
+
+internal fun browserConfiguration(): String {
+    return """
+        |val cssSupport = { task: KotlinWebpack
+        |   task.cssSupport.enabled = true
+        |}
+        |
+        |webpackTask {
+        |   cssSupport(it)
+        |}
+        |
+        |runTask {
+        |   cssSupport(it)
+        |}
+    """.trimMargin()
 }

idea/idea-gradle/src/org/jetbrains/kotlin/idea/configuration/KotlinDslGradleKotlinFrameworkSupportProvider.kt

@@ -183,7 +183,9 @@ abstract class AbstractKotlinDslGradleKotlinJSFrameworkSupportProvider(
             """
                 kotlin {
                     js {
-                        $jsSubTargetName { }
+                        $jsSubTargetName {
+                            ${additionalSubTargetSettings() ?: ""}
+                        }
                         binaries.executable()
                     }
                 }
@@ -193,6 +195,8 @@ abstract class AbstractKotlinDslGradleKotlinJSFrameworkSupportProvider(
         buildScriptData.addDependencyNotation(composeDependency(buildScriptData, artifactId))
     }
 
+    abstract fun additionalSubTargetSettings(): String?
+
     override fun getOldSyntaxPluginDefinition(): String = "plugin(\"${KotlinJsGradleModuleConfigurator.KOTLIN_JS}\")"
     override fun getPluginDefinition(): String = "id(\"org.jetbrains.kotlin.js\")"
 
@@ -216,6 +220,9 @@ class KotlinDslGradleKotlinJSBrowserFrameworkSupportProvider :
         super.addSupport(projectId, module, rootModel, modifiableModelsProvider, buildScriptData)
         addBrowserSupport(module)
     }
+
+    override fun additionalSubTargetSettings(): String? =
+        browserConfiguration()
 }
 
 class KotlinDslGradleKotlinJSNodeFrameworkSupportProvider :
@@ -225,6 +232,9 @@ class KotlinDslGradleKotlinJSNodeFrameworkSupportProvider :
     ) {
     override val jsSubTargetName: String
         get() = "nodejs"
+
+    override fun additionalSubTargetSettings(): String? =
+        null
 }
 
 class KotlinDslGradleKotlinMPPFrameworkSupportProvider :