feat: extra protection for AccountDelete transactions (#1626)

* add deletion blockers check to autofill

* add tests

* add fail_hard: true

* pass in account_objects response to error

* only fail_hard for AccountDelete

* reject promise instead of throwing error

* fix rebase issue

test/fixtures/rippled/accountObjectsEmpty.json

@@ -0,0 +1,13 @@
+{
+  "id": 1,
+  "status": "success",
+  "type": "response",
+  "result": {
+    "account": "r9cZA1mLK5R5Am25ArfXFmqgNwjZgnfk59",
+    "account_objects": [],
+    "ledger_hash":
+      "053DF17D2289D1C4971C22F235BC1FCA7D4B3AE966F842E5819D0749E0B8ECD3",
+    "ledger_index": 14378733,
+    "validated": true
+  }
+}

test/fixtures/rippled/index.ts

@@ -1,5 +1,6 @@
 import normalAccountInfo from './accountInfo.json'
 import notfoundAccountInfo from './accountInfoNotFound.json'
+import emptyAccountObjects from './accountObjectsEmpty.json'
 import normalAccountObjects from './accountObjectsNormal.json'
 import account_offers from './accountOffers'
 import normalAccountTx from './accountTx'
@@ -133,7 +134,7 @@ const streams = {
 
 const account_objects = {
   normal: normalAccountObjects,
-  //   notfound: notfoundAccountObjects
+  empty: emptyAccountObjects,
 }
 
 const account_info = {