FIR: support private-in-file effective visibility

compiler/testData/diagnostics/tests/exposed/privateInFileDisabled.fir.kt

@@ -13,17 +13,17 @@ class Public {
 private class PrivateInFileClass {
     private open class NestedPrivate
 
-    fun test1() = NestedPrivate()
-    fun test2(p: NestedPrivate) {}
-    fun NestedPrivate.test3() {}
-    val test4 = NestedPrivate()
-    class Test5 : NestedPrivate()
+    fun <!EXPOSED_FUNCTION_RETURN_TYPE!>test1<!>() = NestedPrivate()
+    fun test2(<!EXPOSED_PARAMETER_TYPE!>p: NestedPrivate<!>) {}
+    fun <!EXPOSED_RECEIVER_TYPE!>NestedPrivate<!>.test3() {}
+    val <!EXPOSED_PROPERTY_TYPE!>test4<!> = NestedPrivate()
+    class Test5 : <!EXPOSED_SUPER_CLASS!>NestedPrivate<!>()
 }
 
 private interface PrivateInFile {
     private class Private
 
-    fun expose() = Private()
+    fun <!EXPOSED_FUNCTION_RETURN_TYPE!>expose<!>() = Private()
 }
 
 // Exposes 'PrivateInFile$Private' via 'expose'