IR: move containerSource from descriptor to IrFunction, IrProperty

compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/lower/CallableReferenceLowering.kt

@@ -309,7 +309,7 @@ class CallableReferenceLowering(private val context: CommonBackendContext) : Bod
             val superProperty = superFunctionInterface.declarations.filterIsInstance<IrProperty>().single()
             val supperGetter = superProperty.getter ?: error("Expected getter for KFunction.name property")
 
-            val nameProperty = clazz.addProperty {
+            val nameProperty = clazz.addProperty() {
                 visibility = superProperty.visibility
                 name = superProperty.name
                 origin = GENERATED_MEMBER_IN_CALLABLE_REFERENCE

compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/lower/JsInnerClassesSupport.kt

@@ -75,7 +75,7 @@ class JsInnerClassesSupport(mapping: JsMapping, private val irFactory: IrFactory
         val irClass = oldConstructor.parent as IrClass
         val outerThisType = (irClass.parent as IrClass).defaultType
 
-        val newConstructor = irFactory.buildConstructor(oldConstructor.descriptor) {
+        val newConstructor = irFactory.buildConstructor {
             updateFrom(oldConstructor)
             returnType = oldConstructor.returnType
         }.also {