* MM-16430 refactor app entry point
* iOS Extensions to use session token from KeyChain
* Remove token from general credentials entity
* Fix mattermost-managed.ios to return the cachedConfig
* Migrate server based keychain for android push notifications
* remove unneeded async
* Remove unneeded android InitializationModule
* RN: iOS - No MattermostShare error when sharing text that is over server's max post size
* MM-14907 Allow editing if over maxPostSize.
* MM-14907 Always On Character Count
* Readded work from MM-14836 Post-Merge
* Refactor of getMaxPostSize to match getMaxFileSize