[Common IR] Do not add internal methods to overrides

[JS IR] Use a module name in JsFunctionSignature for internal methods

^KT-60635 Fixed

js/js.translator/testData/incremental/invalidation/openClassWithInternalField/main/B.0.kt

@@ -0,0 +1,6 @@
+class B: A() {
+    val prop: Int
+        get() = 10000
+
+    fun func(): Int = 20000
+}

js/js.translator/testData/incremental/invalidation/openClassWithInternalField/main/m.0.kt

@@ -0,0 +1,12 @@
+fun box(stepId: Int): String {
+    val prop = testProp(B())
+    if (prop != stepId) {
+        return "Fail prop: $prop != $stepId"
+    }
+
+    val func = testFunc(B())
+    if (func != stepId) {
+        return "Fail func: $func != $stepId"
+    }
+    return "OK"
+}

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

@@ -0,0 +1,8 @@
+STEP 0:
+    dependencies: lib1
+    modifications:
+        U : B.0.kt -> B.kt
+        U : m.0.kt -> m.kt
+    added file: m.kt, B.kt
+STEP 1..3:
+    dependencies: lib1