KT-38337 Fix inline class value coercion in delegated members

compiler/testData/codegen/box/inlineClasses/interfaceDelegation/kt38337.kt

@@ -0,0 +1,13 @@
+// KJS_WITH_FULL_RUNTIME
+// WITH_RUNTIME
+// IGNORE_BACKEND_FIR: JVM_IR
+
+inline class Wrapper(val id: Int)
+
+class DMap(private val map: Map<Wrapper, String>) :
+        Map<Wrapper, String> by map
+
+fun box(): String {
+    val dmap = DMap(mutableMapOf(Wrapper(42) to "OK"))
+    return dmap[Wrapper(42)] ?: "Fail"
+}