Refine multi-file facades generation

Do not generate delegation from multi-file facade to inline-only functions
because they are effectively private in bytecode

 #KT-10858 Fixed

compiler/testData/codegen/boxInline/multifileClasses/inlineFromOtherPackage.2.kt

@@ -3,4 +3,6 @@ package a
 
 inline fun foo(body: () -> String): String = bar(body())
 
-public fun bar(x: String): String = x
+public fun bar(x: String): String = x
+
+inline fun <reified T> inlineOnly(x: Any?): Boolean = x is T