Web-stories-wp: Text Sets (Combos): Add all text sets to data structure

[barklund]

Feature Description

Create all 125(?) text sets in the data structure defined in #3965 and make sure they display correctly with #4077.

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_Do not alter or remove anything below. The following sections will be managed by moderators only._

Acceptance Criteria

Text Sets are added for:

• [x] Cover
• [x] Editorial
• [x] Section header
• [x] Steps
• [x] List
• [x] Table
• [x] Quote
• [x] Contact
• [x] Funky Sets

Implementation Brief

_Please fill this section before commencing issue resolution_.

[littlemilkstudio]

I'm just gonna start hacking these out. If we wanna do these in parallel at all just contact me and we can devise a plan to break em up a bit

[littlemilkstudio]

Cover Texts Sets: https://github.com/google/web-stories-wp/pull/4522

[littlemilkstudio]

Section Header: https://github.com/google/web-stories-wp/pull/4537

[littlemilkstudio]

Step: https://github.com/google/web-stories-wp/pull/4547

[littlemilkstudio]

Editorial: https://github.com/google/web-stories-wp/pull/4552

[littlemilkstudio]

List 1: https://github.com/google/web-stories-wp/pull/4563

[dmmulroy]

Quote: #4696 (approved and merged, just found this ticket)

[dmmulroy]

Contact: #4750

[bmattb]

I just want to confirm that there has not been any QA by @csossi on this... is that correct?