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>

server/channels/app/post_test.go

@@ -1113,26 +1113,6 @@ func TestCreatePostAsUser(t *testing.T) {
 		require.Equal(t, channelMemberAfter.LastViewedAt, channelMemberBefore.LastViewedAt)
 	})
 
-	t.Run("logs warning for user not in channel", func(t *testing.T) {
-		th := Setup(t).InitBasic()
-		defer th.TearDown()
-		user := th.CreateUser()
-		th.LinkUserToTeam(user, th.BasicTeam)
-
-		post := &model.Post{
-			ChannelId: th.BasicChannel.Id,
-			Message:   "test",
-			UserId:    user.Id,
-		}
-
-		_, appErr := th.App.CreatePostAsUser(th.Context, post, "", true)
-		require.Nil(t, appErr)
-
-		require.NoError(t, th.TestLogger.Flush())
-
-		testlib.AssertLog(t, th.LogBuffer, mlog.LvlWarn.Name, "Failed to get membership")
-	})
-
 	t.Run("does not log warning for bot user not in channel", func(t *testing.T) {
 		th := Setup(t).InitBasic()
 		defer th.TearDown()