[Tests] Use stable order for ir/kotlinLike dumps

^KT-65406

compiler/testData/ir/irText/expressions/safeAssignment.kt.txt

@@ -1,15 +1,15 @@
 class C {
+  var x: Int
+    field = x
+    get
+    set
+
   constructor(x: Int) /* primary */ {
     super/*Any*/()
     /* <init>() */
 
   }
 
-  var x: Int
-    field = x
-    get
-    set
-
 }
 
 fun test(nc: C?) {
@@ -21,3 +21,4 @@ fun test(nc: C?) {
     }
   }
 }
+