[K/N] Reorder hashCode, toString, equals in data classes to match K1 order

^KT-60247 Fixed

Merge-request: KT-MR-11080
Merged-by: Vladimir Sukharev <Vladimir.Sukharev@jetbrains.com>

compiler/testData/ir/irText/firProblems/valueClassEquals.fir.kt.txt

@@ -10,6 +10,14 @@ value class Z {
     field = s
     get
 
+  override fun toString(): String {
+    return "Z(" + "s=" + <this>.#s + ")"
+  }
+
+  override fun hashCode(): Int {
+    return <this>.#s.hashCode()
+  }
+
   override operator fun equals(other: Any?): Boolean {
     when {
       other !is Z -> return false
@@ -21,14 +29,6 @@ value class Z {
     return true
   }
 
-  override fun hashCode(): Int {
-    return <this>.#s.hashCode()
-  }
-
-  override fun toString(): String {
-    return "Z(" + "s=" + <this>.#s + ")"
-  }
-
 }
 
 val equals: KFunction2<Z, Any?, Boolean>