Mattermost-server: [Help Wanted] [PLT-7774] Add the Teammate Name Display setting back to Account Settings > Display, below "Clock Display" option.

[esethna]

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Notes: Jira ticket

Add the Teammate Name Display setting back to Account Settings > Display, below "Clock Display" option.

Title: Teammate Name Display
Help text: Set how to display other user's names in posts and the Direct Messages list.
Options:

• Show username (default) // If username is chosen by the admin in System Console > Users and Teams > Teammate Name Display
• Show nickname if one exists, otherwise show first and last name
• Show first and last name

Notes:
1) The end user settings would have the same options as before, but defaults to the System config setting.
2) Push and email notifications would follow the System config setting.
3) If the System config setting is updated, only override the display setting for users who were using the default

Examples:
a) User has not changed the display name and is using the system default (first/last name). System Admin changes the config setting from first/last name to nickname. User's display setting also changes to nickname.
b) User has set the display name to username. System Admin changes the config setting from first/last name to nickname. User continues to have the display name set to username.
c) User has set the display name to first/last name. System Admin changes the config setting from first/last name to nickname. User's continues to have the display name set to first/last name.

[jasonsmith425]

Glad to see this is potentially going to be picked up! My users were disappointed when this setting was removed from their menus. Some want to use nicknames and some want to use usernames, but I have to force them all to use display name because that's what most people prefer. I don't know why this is necessary/why it hurts to allow the user to configure this on their end.

[KishoreFartiyal]

@jasonblais I would like to work on it

[ry-wang]

I'll take this on if no one is working on it anymore.