[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/classes/initValInLambda.ir.txt

@@ -16,7 +16,7 @@ FILE fqName:<root> fileName:/initValInLambda.kt
               receiver: GET_VAR '<this>: <root>.TestInitValInLambdaCalledOnce declared in <root>.TestInitValInLambdaCalledOnce.<get-x>' type=<root>.TestInitValInLambdaCalledOnce origin=null
     ANONYMOUS_INITIALIZER isStatic=false
       BLOCK_BODY
-        CALL 'public final fun run <T, R> (block: @[ExtensionFunctionType] kotlin.Function1<T of kotlin.StandardKt.run, R of kotlin.StandardKt.run>): R of kotlin.StandardKt.run declared in kotlin.StandardKt' type=kotlin.Unit origin=null
+        CALL 'public final fun run <T, R> (block: @[ExtensionFunctionType] kotlin.Function1<T of kotlin.run, R of kotlin.run>): R of kotlin.run declared in kotlin' type=kotlin.Unit origin=null
           <T>: kotlin.Int
           <R>: kotlin.Unit
           $receiver: CONST Int type=kotlin.Int value=1

compiler/testData/ir/irText/classes/initValInLambda.kt

@@ -1,6 +1,4 @@
 // FIR_IDENTICAL
-// IGNORE_BACKEND: JS_IR
-// IGNORE_BACKEND: JS_IR_ES6
 
 class TestInitValInLambdaCalledOnce {
     val x: Int