Properly capture extension receiver for array convention expressions in object constructor

#KT-19389 Fixed

compiler/testData/codegen/boxInline/anonymousObject/kt19389.kt

@@ -0,0 +1,24 @@
+// FILE: 1.kt
+public inline fun <T, R> myWith(receiver: T, block: T.() -> R): R {
+    return receiver.block()
+}
+
+// FILE: 2.kt
+//NO_CHECK_LAMBDA_INLINING
+object Foo2 {
+    operator fun Any?.get(key: String) = "OK"
+}
+
+object Main {
+    fun bar() = myWith(Foo2) {
+
+        val x = object {
+            val y = 38["Hello!"]
+        }
+        x.y
+    }
+}
+
+fun box(): String {
+    return Main.bar()
+}