Mattermost-server: Write an automated test using Cypress for "Edit post uses device autocorrect"

[saturninoabril]

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Notes: Jira ticket

__Test Key:__ M17453
__Title:__ Edit post uses device autocorrect
*
__Steps:__*

1. Create a new post
2. Long press on the post and select Edit Post
3. Type a word incorrectly and hit space
4. Finish a sentence with a period, start a new sentence
5. Start typing a common word, but don't complete it
   *
   __Expected:__*
6. Typos are autocorrected
7. text is capitalized at the start of sentences.
8. Text suggestions are displayed above the keyboard (on iOS, if enabled).
   See our end-to-end testing documentation for reference.

[NiroshaV]

I'll take this one

[jasonblais]

Hey @NiroshaV, just touching base to see if you have any questions so far? :)

[NiroshaV]

@jasonblais working on other automation PR and manual PR's(mattermost). Please make this available for public

[jasonblais]

Sounds good, thanks @NiroshaV for the help on https://github.com/mattermost/mattermost-webapp/pull/4460 :)

[saturninoabril]

Outdated. Closing. Will publish new HW.