[FIR] Fix disappeared INVALID_CHARACTERS_NATIVE_ERROR

https://youtrack.jetbrains.com/issue/KT-60003/K2-Disappeared-INVALIDCHARACTERSNATIVEERROR

^KT-60003 Fixed

Merge-request: KT-MR-12686
Merged-by: Vladimir Sukharev <Vladimir.Sukharev@jetbrains.com>

compiler/testData/diagnostics/nativeTests/identifiers.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 // !DIAGNOSTICS: -UNUSED_PARAMETER -UNUSED_VARIABLE -MISSING_DEPENDENCY_SUPERCLASS
 
 // FIXME: rename identifiers.kt
@@ -5,6 +6,9 @@
 // FILE: 1.kt
 package <!INVALID_CHARACTERS_NATIVE_ERROR!>`check.pkg`<!>
 
+// FILE: 11.kt
+package one.<!INVALID_CHARACTERS_NATIVE_ERROR!>`two.three`<!>.four.<!INVALID_CHARACTERS_NATIVE_ERROR!>`five.six`<!>.seven
+
 // FILE: 2.kt
 package totally.normal.pkg