Add parsing for missing title given as [Object]

[RC-Lee]

Issue This PR Addresses

Fixes #3652

Type of Change

• Bugfix: Change which fixes an issue

Description

Added parsing for missing titles from posts that are given to us as an { '$': { type: 'text' } } object

Steps to test the PR

1. Change feeds.json to have the single feed for easy testing.

[
  {
    "url": "http://compiledsprawl.blogspot.com/feeds/posts/default/-/open-source",
    "user_id": null,
    "wiki_author_name": "Matthew Grosvenor",
    "html_url": null,
    "type": "blog",
    "invalid": false,
    "flagged": false,
    "id": "a394d88c0e"
  }
]

2. Clear redis cache, do db migrations
3. Blog post will appear on the main page and in search
   

Checklist

• Quality: This PR builds and passes our npm test and works locally
• Tests: This PR includes thorough tests or an explanation of why it does not
• Screenshots: This PR includes screenshots or GIFs of the changes made or an explanation of why it does not (if applicable)

[gitpod-io]

[cindyorangis]

I love it when you leave comments in the code