[JS IR] Fix a IC dependency building for class methods.

The patch fixes lost IC dependencies for inherited class or interface methods.
 Especially between a fake override function and its implementation.
 Since IrSymbolDeserializer doesn't provide all class methods,
 they are collected from the class definitions.

^KT-53063 Fixed

js/js.translator/testData/incremental/invalidation/fakeOverrideInheritance/lib1/module.info

@@ -18,6 +18,7 @@ STEP 3:
     modifications:
         U : A.0.kt -> A.kt
     modified ir: A.kt
+    updated imports: B.kt, C.kt
 STEP 4:
     modifications:
         U : B.0.kt -> B.kt