MM-42725: exclude channels from teams user has left (mattermost#19939) (

mattermost#19942)

Automatic Merge

Pre-package Playbooks v1.23.1 (mattermost#19929)

MM-42725: exclude channels from teams user has left (mattermost#19939) (

mattermost#19943)

Automatic Merge

(cherry picked from commit 15a9a7a)

Co-authored-by: Kyriakos Z <[email protected]>

api4/system: adjust permissions for applied schema migrations (matter…

…most#19814) (mattermost#19828)

* api4/system: adjust permissions for applied schema migrations

* add a test case

(cherry picked from commit ad5f57b)

Co-authored-by: Ibrahim Serdar Acikgoz <[email protected]>

Force right index for post deletion (mattermost#19191) (mattermost#19809

)

Automatic Merge

prepackage focalboard v0.15.0 (mattermost#19749) (mattermost#19777)

Co-authored-by: Mattermod <[email protected]>
(cherry picked from commit c96de47)

Co-authored-by: Scott Bishel <[email protected]>

prepackage focalboard v0.15.0 (mattermost#19749) (mattermost#19778)

Co-authored-by: Mattermod <[email protected]>
(cherry picked from commit c96de47)

Co-authored-by: Scott Bishel <[email protected]>

MM-42271: Restrict support packet generation to system admin. (matter…

…most#19726)

MM-42271: Restrict support packet generation to system admin. (matter…

…most#19726)

MM-42271: Restrict support packet generation to system admin. (matter…

…most#19726)