[FIR] Fix tests (ARGUMENT_TYPE_MISMATCH instead of INCOMPATIBLE_CANDIDATE)

compiler/testData/diagnostics/tests/dataFlowInfoTraversal/FunctionLiteral.fir.kt

@@ -3,7 +3,7 @@ fun bar(x: Int) = x + 1
 fun foo() {
     val x: Int? = null
 
-    fun baz() = <!INAPPLICABLE_CANDIDATE!>bar<!>(x)
+    fun baz() = bar(<!ARGUMENT_TYPE_MISMATCH!>x<!>)
     fun quux() = if (x != null) bar(x) else baz()
     fun quuux() = bar(if (x == null) 0 else x)
 }