[JS_IR] Use new plugin to build Kotlin/JS stdlib with IR compiler

- Switch to building stdlib with bootstrap compiler since IR is stable
  enough
- Build stdlib with coreLibs by default
- Include JS IR stdlib to kotlin distribution

compiler/tests-against-klib/build.gradle.kts

@@ -21,8 +21,7 @@ testsJar {}
 
 projectTest(parallel = true) {
     dependsOn(":dist")
-    dependsOn(":kotlin-stdlib-js-ir:generateFullRuntimeKLib")
-
+    dependsOn(":kotlin-stdlib-js-ir:compileKotlinJs")
     workingDir = rootDir
     systemProperty("kotlin.test.script.classpath", testSourceSet.output.classesDirs.joinToString(File.pathSeparator))
 }

compiler/tests-against-klib/tests/org/jetbrains/kotlin/codegen/ir/AbstractIrCompileKotlinAgainstKlibTest.kt

@@ -79,7 +79,7 @@ abstract class AbstractCompileKotlinAgainstKlibTest : AbstractBlackBoxCodegenTes
             listOf(
                 "-output", klibName,
                 "-Xir-produce-klib-file",
-                "-libraries", "libraries/stdlib/js-ir/build/fullRuntime/klib/"
+                "-libraries", "libraries/stdlib/js-ir/build/classes/kotlin/js/main/"
             ) + sourceFiles
         )
         if (exitCode != ExitCode.OK) {