[Tests] Use stable order for ir/kotlinLike dumps

^KT-65406

compiler/testData/ir/irText/expressions/sam/samConstructors.fir.kt.txt

@@ -1,3 +1,6 @@
+fun foo() {
+}
+
 fun test1(): Runnable {
   return local fun <anonymous>() {
     return Unit
@@ -9,9 +12,6 @@ fun test2(a: Function0<Unit>): Runnable {
   return a /*-> Runnable */
 }
 
-fun foo() {
-}
-
 fun test3(): Runnable {
   return ::foo /*-> Runnable */
 }