Update tests on decompiled text for JS

Because .kjsm files now contain all declarations from the package (contrary to
the JVM decompiler which produces one file for one class/package facade), some
common decompiled text tests started to behave differently on JVM and JS.
Update two of them (Modifiers, ClassWithClassObject) to make results the same,
copy another (TypeAliases) to JVM-/JS-specific tests with different outputs

idea/testData/decompiler/decompiledText/Modifiers.expected.kt

@@ -11,4 +11,7 @@ public final data class Modifiers public constructor(x: kotlin.Int) {
     public final inline fun inlined(crossinline arg1: () -> kotlin.Unit, noinline arg2: () -> kotlin.Unit): kotlin.Unit { /* compiled code */ }
 
     public final tailrec fun sum(x: kotlin.Long, sum: kotlin.Long): kotlin.Long { /* compiled code */ }
+
+    public final annotation class Ann public constructor() : kotlin.Annotation {
+    }
 }