Mark category as read (#24003)

* Mark category as read

* Fix lint and test

* Fix tests

* Fix test and remove wrong aria

* Address server issues and add mark as read for unreads

* Missing changes

* Fix tests

* fix tests

* Add confirmation popup to mark as read category

* Always use viewMultipleChannels and other fixes

* Remove unneeded code

* Fix test

* Address feedback

* Address feedback

* Fix tests

* Fix test

* Fix tests

* Update aria-haspopup depending on the number of channels to mark as viewed

---------

Co-authored-by: Mattermost Build <build@mattermost.com>

webapp/platform/client/src/client4.ts

@@ -1775,14 +1775,21 @@ export default class Client4 {
         );
     };
 
-    viewMyChannel = (channelId: string, prevChannelId?: string) => {
-        const data = {channel_id: channelId, prev_channel_id: prevChannelId, collapsed_threads_supported: true};
+    viewMyChannel = (channelId: string) => {
+        const data = {channel_id: channelId, collapsed_threads_supported: true};
         return this.doFetch<ChannelViewResponse>(
             `${this.getChannelsRoute()}/members/me/view`,
             {method: 'post', body: JSON.stringify(data)},
         );
     };
 
+    readMultipleChannels = (channelIds: string[]) => {
+        return this.doFetch<ChannelViewResponse>(
+            `${this.getChannelsRoute()}/members/me/mark_read`,
+            {method: 'post', body: JSON.stringify(channelIds)},
+        );
+    };
+
     autocompleteChannels = (teamId: string, name: string) => {
         return this.doFetch<Channel[]>(
             `${this.getTeamRoute(teamId)}/channels/autocomplete${buildQueryString({name})}`,