[FIR] Fix callable reference adaptation for overrides without defaults

Provide the correct scope to the argument mapping so that default values
in overridden functions are considered.

^KT-56864 Fixed

compiler/testData/diagnostics/tests/callableReference/adapted/adaptationToOverridenWithoutDefault.kt

@@ -0,0 +1,24 @@
+// SKIP_TXT
+// FIR_IDENTICAL
+
+interface Some {
+    fun foo(b: Boolean? = null): Int = 10
+}
+
+class SomeImpl : Some {
+    override fun foo(b: Boolean?): Int {
+        return 0
+    }
+
+    private fun buz() {
+        bar(::foo)
+    }
+}
+
+private fun buz() {
+    bar(SomeImpl()::foo)
+}
+
+private fun <T> bar(actionForAll: () -> T) {
+    actionForAll()
+}