[Tests] Use stable order for ir/kotlinLike dumps

^KT-65406

compiler/testData/ir/irText/firProblems/AssignmentOperator.kt.txt

@@ -1,37 +1,37 @@
 package foo
 
+val array: Array<Int>
+  field = arrayOf<Int>(elements = [0])
+  get
+
 class A {
+  var prop: Int
+    field = 0
+    get
+    set
+
   constructor() /* primary */ {
     super/*Any*/()
     /* <init>() */
 
   }
 
+}
+
+object B {
   var prop: Int
     field = 0
     get
     set
 
-}
-
-object B {
   private constructor() /* primary */ {
     super/*Any*/()
     /* <init>() */
 
   }
 
-  var prop: Int
-    field = 0
-    get
-    set
-
 }
 
-val array: Array<Int>
-  field = arrayOf<Int>(elements = [0])
-  get
-
 fun <T : Any?> id(t: T): T {
   return t
 }
@@ -198,3 +198,4 @@ fun runMe() {
     tmp_45.get(index = tmp_46)
   } /*~> Unit */
 }
+