[Gradle][K/JS] skip npm install task execution while in offline mode

Author: y9san9

libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/targets/js/npm/tasks/KotlinNpmInstallTask.kt

@@ -41,8 +41,12 @@ abstract class KotlinNpmInstallTask :
     @get:Internal
     abstract val nodeModules: DirectoryProperty
 
+    private val isOffline = project.gradle.startParameter.isOffline()
+
     @TaskAction
     fun resolve() {
+        if (isOffline) return
+
         npmResolutionManager.get()
             .installIfNeeded(
                 args = args,
@@ -56,4 +60,4 @@ abstract class KotlinNpmInstallTask :
     companion object {
         const val NAME = "kotlinNpmInstall"
     }
-}
+}