Fix incorrect handling of mixed named/positional arguments

^KT-40404 Fixed

compiler/testData/diagnostics/tests/namedArguments/mixedNamedPosition/secondNamed.fir.kt

@@ -0,0 +1,18 @@
+// !LANGUAGE: +NewInference +MixedNamedArgumentsInTheirOwnPosition
+// !DIAGNOSTICS: -UNUSED_PARAMETER
+// SKIP_TXT
+
+fun foo(a: String, b: String) {}
+
+fun reformat(
+    str: String,
+    normalizeCase: String = "default",
+    upperCaseFirstLetter: Boolean = true,
+    divideByCamelHumps: Boolean = false,
+    wordSeparator: Char = ' '
+) {}
+
+fun main() {
+    <!INAPPLICABLE_CANDIDATE!>foo<!>(b = "first", a = "a", "second") // prints "a, second"
+    <!INAPPLICABLE_CANDIDATE!>reformat<!>(normalizeCase = "first",str = "","second",false,true, 's' )
+}