[IDEA] Add check on gradle version not to broke Gradle older 4.0

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

@@ -16,6 +16,7 @@ class KotlinNonJvmGutterConfigurator : AbstractProjectResolverExtension() {
             //language=Gradle
             """
             ({
+                if (GradleVersion.current() >= GradleVersion.version("4.0")) {
                     def doIfInstance = { Task task, String fqn, Closure action ->
                         def taskSuperClass = task.class
                         while (taskSuperClass != Object.class) {
@@ -54,6 +55,7 @@ class KotlinNonJvmGutterConfigurator : AbstractProjectResolverExtension() {
                             task.filter.includePatterns = task.project.tasks['nonJvmTestIdeSupport'].filter.includePatterns
                         }
                     }
+                }
             })()
             """.trimIndent()
         )