[FIR2IR] Adapt IrActualizer to HMPP modules

Previously it collected actual declaration only from platform module

compiler/testData/codegen/box/multiplatform/multiModule/hmppSimple.kt

@@ -0,0 +1,69 @@
+// TARGET_BACKEND: JVM_IR
+// !LANGUAGE: +MultiPlatformProjects
+
+// MODULE: common
+// TARGET_PLATFORM: Common
+// FILE: common.kt
+
+expect class A constructor() {
+    fun foo(): String
+}
+
+expect class B constructor() {
+    fun bar(): String
+}
+
+expect fun func(): String
+
+expect var prop: String
+
+fun test_1(): String {
+    val a = A()
+    val b = B()
+    prop = "Set prop in common."
+    return "${func()} $prop ${a.foo()} ${b.bar()}"
+}
+
+// MODULE: intermediate()()(common)
+// TARGET_PLATFORM: Common
+// FILE: intermediate.kt
+
+actual fun func(): String = "Actual func."
+
+actual class B actual constructor() {
+    actual fun bar(): String = "Actual B."
+}
+
+expect class C constructor() {
+    fun baz(): String
+}
+
+fun test_2(): String {
+    val a = A()
+    val b = B()
+    val c = C()
+    prop = "Set prop in intermediate."
+    return "${func()} $prop ${a.foo()} ${b.bar()} ${c.baz()}"
+}
+
+// MODULE: jvm()()(intermediate)
+// TARGET_PLATFORM: JVM
+// FILE: main.kt
+
+actual var prop: String = "!"
+
+actual class A actual constructor() {
+    actual fun foo(): String = "Actual A."
+}
+
+actual class C actual constructor() {
+    actual fun baz(): String = "Actual C."
+}
+
+fun box(): String {
+    val s1 = test_1()
+    if (s1 != "Actual func. Set prop in common. Actual A. Actual B.") return s1
+    val s2 = test_2()
+    if (s2 != "Actual func. Set prop in intermediate. Actual A. Actual B. Actual C.") return s2
+    return "OK"
+}