help: Update documentation for "Mute this user" and "Manage this user".

This documents how to access the options from the three-dot menu in a
user's profile summary.

Refactors and updates the steps for muting a user into a single set of
instructions. Updates instructions for the "Manage this user" option.

Fixes #23204.

templates/zerver/help/change-a-users-name.md

@@ -8,16 +8,13 @@ organization administrators can
 
 Organization administrators can always change any user's name.
 
-### Change a user's name
+## Change a user's name
 
 {start_tabs}
 
 {tab|via-user-profile}
 
-1. Hover over a user's name in the right sidebar.
-
-1. Click on the ellipsis (<i class="zulip-icon zulip-icon-ellipsis-v-solid"></i>)
-   to the right of their name.
+{!profile-summary-three-dot-menu.md!}
 
 1. Click **Manage this user**.
 

templates/zerver/help/change-a-users-role.md

@@ -15,16 +15,13 @@ there is at least one other owner in the organization (consider
 promoting a new owner or [deactivating the
 organization](/help/deactivate-your-organization) instead).
 
-### Change a user's role
+## Change a user's role
 
 {start_tabs}
 
 {tab|via-user-profile}
 
-1. Hover over a user's name in the right sidebar.
-
-1. Click on the ellipsis (<i class="zulip-icon zulip-icon-ellipsis-v-solid"></i>)
-   to the right of their name.
+{!profile-summary-three-dot-menu.md!}
 
 1. Click **Manage this user**.
 

templates/zerver/help/deactivate-or-reactivate-a-user.md

@@ -16,10 +16,7 @@ Note that organization administrators cannot deactivate organization owners.
 
 {tab|via-user-profile}
 
-1. Hover over a user's name in the right sidebar.
-
-1. Click on the ellipsis (<i class="zulip-icon zulip-icon-ellipsis-v-solid"></i>)
-   to the right of their name.
+{!profile-summary-three-dot-menu.md!}
 
 1. Click **Manage this user**.
 
@@ -43,7 +40,7 @@ user's bots will also be deactivated. Lastly, the user will be unable to
 create a new Zulip account in your organization using their deactivated
 email address.
 
-### Notify users of their deactivation
+## Notify users of their deactivation
 
 Zulip can optionally send the user an email notification that their account was deactivated.
 
@@ -86,3 +83,7 @@ want to reactivate.
 !!! tip ""
     You may want to [review and adjust](/help/manage-user-stream-subscriptions)
     the reactivated user's stream subscriptions.
+
+## Related articles
+
+* [Mute a user](/help/mute-a-user)

templates/zerver/help/mute-a-user.md

@@ -47,34 +47,24 @@ have the following effects:
 
 [view-emoji-reactions]: /help/emoji-reactions#see-who-reacted-to-a-message
 
-### From the message view
+## Mute a user
 
 {start_tabs}
 
-1. Click on a user's profile picture or [mention](/help/mention-a-user-or-group).
+{!profile-summary-three-dot-menu.md!}
 
 1. Click **Mute this user**.
 
 1. On the confirmation popup, click **Confirm**.
 
-{end_tabs}
+!!! Tip ""
 
-### Via the right sidebar
-
-{start_tabs}
-
-1. Hover over a user's name in the right sidebar.
-
-1. Click on the ellipsis (<i class="zulip-icon zulip-icon-ellipsis-v-solid"></i>) to
-  the right of their name.
-
-1. Click **Mute this user**.
-
-1. On the confirmation popup, click **Confirm**.
+    You can also click on a user's profile picture or name on a
+    message they sent, and skip to step 3.
 
 {end_tabs}
 
-### Re-hide a message that has been revealed
+## Re-hide a message that has been revealed
 
 {start_tabs}
 
@@ -84,7 +74,7 @@ have the following effects:
 
 {end_tabs}
 
-### See your list of muted users
+## See your list of muted users
 
 {start_tabs}