FIR: Fix diagnostics test data after safe-call refactoring

^KT-38444 In Progress

compiler/testData/diagnostics/testsWithStdLib/resolve/javaStaticMembers.fir.kt

@@ -6,7 +6,7 @@ public class Test {
 // FILE: test.kt
 fun ff() {
     val a = Test.FOO
-    val b = Test?.FOO
+    val b = Test?.<!UNRESOLVED_REFERENCE!>FOO<!>
     System.out.println(a + b)
-    System?.out.println(a + b)
-}
+    System?.<!UNRESOLVED_REFERENCE!>out<!>.<!UNRESOLVED_REFERENCE!>println<!>(a + b)
+}