[IR] Don't print multifile/synthetic facade class names in irText tests

This only applies to JVM and fq-names in declaration references
in IR dumps.

This enables us to run more irText tests on platforms other than JVM
(see KT-58605).

compiler/testData/ir/irText/declarations/contextReceivers/overloadPriority.sig.kt.txt

@@ -12,11 +12,17 @@ class Context {
 // CHECK JVM_IR:
 //   Mangled name: #f!Context(){}kotlin.String
 //   Public signature: /f|-5175802051654911360[0]
+// CHECK JS_IR NATIVE:
+//   Mangled name: #f!Context(){}
+//   Public signature: /f|-1050574650869165395[0]
 fun f($context_receiver_0: Context): String
 
 // CHECK JVM_IR:
 //   Mangled name: #f(){}kotlin.Any
 //   Public signature: /f|-2324325393552926316[0]
+// CHECK JS_IR NATIVE:
+//   Mangled name: #f(){}
+//   Public signature: /f|5316533450599009716[0]
 fun f(): Any
 
 // CHECK:
@@ -25,5 +31,7 @@ fun f(): Any
 fun test(): Unit
   // CHECK JVM_IR:
   //   Mangled name: #test(){}#<anonymous>#static@Context(){}kotlin.Int
+  // CHECK JS_IR NATIVE:
+  //   Mangled name: #test(){}#<anonymous>#static@Context(){}
   local fun Context.<anonymous>(): Int