Mono repo -> Master (#22553)

Combines the following repositories into one:

https://github.com/mattermost/mattermost-server
https://github.com/mattermost/mattermost-webapp
https://github.com/mattermost/focalboard
https://github.com/mattermost/mattermost-plugin-playbooks

server/tests/channel-role-has-permission.csv

@@ -0,0 +1,17 @@
+"let p be ""higher-scoped scheme has the permission""","let q be ""permission is moderated""","let r be ""channel scheme has the permission""","let s be ""channel role is channel_admin""","""channel role has the permission"" = p ∧ (s ∨ (q → r))"
+TRUE,TRUE,TRUE,TRUE,TRUE
+TRUE,TRUE,TRUE,FALSE,TRUE
+TRUE,TRUE,FALSE,TRUE,TRUE
+TRUE,TRUE,FALSE,FALSE,FALSE
+TRUE,FALSE,TRUE,TRUE,TRUE
+TRUE,FALSE,TRUE,FALSE,TRUE
+TRUE,FALSE,FALSE,TRUE,TRUE
+TRUE,FALSE,FALSE,FALSE,TRUE
+FALSE,TRUE,TRUE,TRUE,FALSE
+FALSE,TRUE,TRUE,FALSE,FALSE
+FALSE,TRUE,FALSE,TRUE,FALSE
+FALSE,TRUE,FALSE,FALSE,FALSE
+FALSE,FALSE,TRUE,TRUE,FALSE
+FALSE,FALSE,TRUE,FALSE,FALSE
+FALSE,FALSE,FALSE,TRUE,FALSE
+FALSE,FALSE,FALSE,FALSE,FALSE