[FIR] Properly implement serializer extension for klib compilation

^KT-57654 Fixed

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/K2Tests.kt

@@ -53,7 +53,7 @@ class CustomK2Tests : KGPBaseTest() {
     }
 
     @GradleTest
-    @DisplayName("HMPP compilation without JS target. KT-57376, KT-57377, KT-57635")
+    @DisplayName("HMPP compilation without JS target. KT-57376, KT-57377, KT-57635, KT-57654")
     fun testHmppCompilationWithoutJsTarget(gradleVersion: GradleVersion) {
         with(project("k2-mpp-without-js", gradleVersion)) {
             val taskToExecute = ":compileIntermediateMainKotlinMetadata"

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/k2-mpp-without-js/src/commonMain/kotlin/kt57654.common.kt

@@ -0,0 +1,8 @@
+// ISSUE: KT-57654
+package kt57654
+
+class A {
+    fun foo() {}
+}
+
+fun useA(block: A.() -> Unit) {}

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/k2-mpp-without-js/src/intermediateMain/kotlin/kt57654.intermediate.kt

@@ -0,0 +1,8 @@
+// ISSUE: KT-57654
+package kt57654
+
+fun test() {
+    useA {
+        foo()
+    }
+}