[MM-45272] Fix MM-45272 (#24701)

* Fix MM-45272

* Properly handle permalinks

* Fix

* Fix tests

* Handle only not found case for team member

* Fix lint

* Use proper config value

* Separate permission in several statements

* Add tests

* Fix lint

* Revert changes on utils

* Address feedback and more fixes

* Address feedback

* Fix test

* Fix test and related bug

* Fix and reorder test

* Address feedback

* Address feedback

---------

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

server/channels/api4/post_test.go

@@ -3795,7 +3795,7 @@ func TestPostGetInfo(t *testing.T) {
 	dmPost, _, err := client.CreatePost(context.Background(), &model.Post{ChannelId: dmChannel.Id})
 	require.NoError(t, err)
 
-	openTeam, _, err := sysadminClient.CreateTeam(context.Background(), &model.Team{Type: model.TeamOpen, Name: "open-team", DisplayName: "Open Team"})
+	openTeam, _, err := sysadminClient.CreateTeam(context.Background(), &model.Team{Type: model.TeamOpen, Name: "open-team", DisplayName: "Open Team", AllowOpenInvite: true})
 	require.NoError(t, err)
 	openTeamOpenChannel, _, err := sysadminClient.CreateChannel(context.Background(), &model.Channel{TeamId: openTeam.Id, Type: model.ChannelTypeOpen, Name: "open-team-open-channel", DisplayName: "Open Team - Open Channel"})
 	require.NoError(t, err)
@@ -3803,7 +3803,7 @@ func TestPostGetInfo(t *testing.T) {
 	require.NoError(t, err)
 
 	// Alt team is a team without the sysadmin in it.
-	altOpenTeam, _, err := client.CreateTeam(context.Background(), &model.Team{Type: model.TeamOpen, Name: "alt-open-team", DisplayName: "Alt Open Team"})
+	altOpenTeam, _, err := client.CreateTeam(context.Background(), &model.Team{Type: model.TeamOpen, Name: "alt-open-team", DisplayName: "Alt Open Team", AllowOpenInvite: true})
 	require.NoError(t, err)
 	altOpenTeamOpenChannel, _, err := client.CreateChannel(context.Background(), &model.Channel{TeamId: altOpenTeam.Id, Type: model.ChannelTypeOpen, Name: "alt-open-team-open-channel", DisplayName: "Open Team - Open Channel"})
 	require.NoError(t, err)
@@ -4008,8 +4008,12 @@ func TestPostGetInfo(t *testing.T) {
 			require.Equal(t, tc.channel.DisplayName, info.ChannelDisplayName)
 			require.Equal(t, tc.hasJoinedChannel, info.HasJoinedChannel)
 			if tc.team != nil {
+				teamType := "I"
+				if tc.team.AllowOpenInvite {
+					teamType = "O"
+				}
 				require.Equal(t, tc.team.Id, info.TeamId)
-				require.Equal(t, tc.team.Type, info.TeamType)
+				require.Equal(t, teamType, info.TeamType)
 				require.Equal(t, tc.team.DisplayName, info.TeamDisplayName)
 				require.Equal(t, tc.hasJoinedTeam, info.HasJoinedTeam)
 			}