[JS IR IC] Interface default implementations affect IC hash

Adding or removing a method or property with
a default implementation to an interface should
invalidate all children: we must regenerate JS code for them

^KT-56237 Fixed

js/js.translator/testData/incremental/invalidation/privateObjectsLeakThroughSealedInterface/main/m.kt

@@ -0,0 +1,7 @@
+fun box(stepId: Int): String {
+    val x = test()
+    if (x != stepId) {
+        return "Fail $x != $stepId"
+    }
+    return "OK"
+}

js/js.translator/testData/incremental/invalidation/privateObjectsLeakThroughSealedInterface/main/module.info

@@ -0,0 +1,23 @@
+STEP 0:
+    dependencies: lib1
+    modifications:
+        U : test.0.kt -> test.kt
+    added file: m.kt, test.kt
+STEP 1:
+    dependencies: lib1
+STEP 2:
+    dependencies: lib1
+    updated imports: test.kt
+STEP 3:
+    dependencies: lib1
+    modifications:
+        U : test.3.kt -> test.kt
+    modified ir: test.kt
+STEP 4:
+    dependencies: lib1
+    updated imports: test.kt
+STEP 5:
+    dependencies: lib1
+    modifications:
+        U : test.5.kt -> test.kt
+    modified ir: test.kt

js/js.translator/testData/incremental/invalidation/privateObjectsLeakThroughSealedInterface/main/test.0.kt

@@ -0,0 +1,5 @@
+fun test(): Int {
+    val a = ClassA()
+    val obj = a.leakedObject
+    return obj.getNumber() + obj.extraNumber
+}

js/js.translator/testData/incremental/invalidation/privateObjectsLeakThroughSealedInterface/main/test.3.kt

@@ -0,0 +1,5 @@
+fun test(): Int {
+    val a = ClassA()
+    val obj = a.leakedObject
+    return obj.getNumber() + obj.extraNumber + obj.getOtherNumber()
+}

js/js.translator/testData/incremental/invalidation/privateObjectsLeakThroughSealedInterface/main/test.5.kt

@@ -0,0 +1,5 @@
+fun test(): Int {
+    val a = ClassA()
+    val obj = a.leakedObject
+    return obj.getNumber() + obj.extraNumber + obj.getOtherNumber() + obj.otherExtraNumber
+}