Fix web-landing sample

examples/web-landing/build.gradle.kts

@@ -1,8 +1,8 @@
 import org.jetbrains.kotlin.gradle.targets.js.nodejs.NodeJsRootExtension
 
 plugins {
-    kotlin("multiplatform") version "1.5.21"
-    id("org.jetbrains.compose") version "1.0.0-alpha1"
+    kotlin("multiplatform") version "1.5.31"
+    id("org.jetbrains.compose") version "0.0.0-master-build413"
 }
 
 repositories {
@@ -32,5 +32,6 @@ kotlin {
 afterEvaluate {
     rootProject.extensions.configure<NodeJsRootExtension> {
         versions.webpackDevServer.version = "4.0.0"
+        versions.webpackCli.version = "4.9.0"
     }
 }

examples/web-landing/src/jsMain/kotlin/com/sample/Main.kt

@@ -5,8 +5,6 @@ import org.jetbrains.compose.web.renderComposable
 import com.sample.components.*
 import com.sample.content.*
 import com.sample.style.AppStylesheet
-import org.w3c.dom.HTMLElement
-
 
 fun main() {
     renderComposable(rootElementId = "root") {

examples/web-landing/src/jsMain/kotlin/com/sample/content/CodeSamplesSwitcher.kt

@@ -2,7 +2,6 @@ package com.sample.content
 
 import androidx.compose.runtime.Composable
 import org.jetbrains.compose.web.attributes.InputType
-import org.jetbrains.compose.web.attributes.checked
 import org.jetbrains.compose.web.attributes.name
 import org.jetbrains.compose.web.css.*
 import org.jetbrains.compose.web.css.selectors.CSSSelector
@@ -13,7 +12,6 @@ import org.jetbrains.compose.web.dom.Input
 import org.jetbrains.compose.web.dom.Label
 import org.jetbrains.compose.web.dom.Text
 import com.sample.style.AppStylesheet
-import org.jetbrains.compose.web.attributes.value
 
 private object SwitcherVariables {
     val labelWidth by variable<CSSpxValue>()
@@ -81,7 +79,7 @@ fun CodeSampleSwitcher(count: Int, current: Int, onSelect: (Int) -> Unit) {
                 name("code-snippet")
                 value("snippet$ix")
                 id("snippet$ix")
-                if (current == ix) checked()
+                if (current == ix) checked(true)
                 onChange { onSelect(ix) }
             })
             Label(forId = "snippet$ix") { Text("${ix + 1}") }