[IR] dumpKotlinLike: add testdata for FIR tests

compiler/testData/ir/irText/expressions/arrayAccess.fir.kt.txt

@@ -0,0 +1,11 @@
+val p: Int
+  field = 0
+  get
+
+fun foo(): Int {
+  return 1
+}
+
+fun test(a: IntArray): Int {
+  return a.get(index = 0).plus(other = a.get(index = <get-p>())).plus(other = a.get(index = foo()))
+}