Extract Function: Use 'public' visibility for function extracted from public inline

#KT-15228 Fixed

idea/testData/refactoring/extractFunction/basic/extractFromPrivateInlineFun.kt.after

@@ -0,0 +1,7 @@
+// PARAM_DESCRIPTOR: value-parameter a: kotlin.Int defined in foo, value-parameter b: kotlin.Int defined in foo
+// PARAM_TYPES: kotlin.Int
+// PARAM_TYPES: kotlin.Int
+
+private inline fun foo(a: Int, b: Int, f: (Int) -> Int) = f(i(a, b))
+
+private fun i(a: Int, b: Int) = a + b