* MM-11065: Allow to search and get archived channels from the API
* Fixing more tests
* Add some unit tests
* Add includeDeleted parameter to session permissions check function
* More test fixing
* Adding archive channels list in channels search
* Add restriction for archived channel edition
* Reverting permissions checks modification
* Changed the query parameter to include_deleted
* Enable search archive channels as true by default
* Adding tests for verify search on deleted channels
* Allowing to override archive channels during the imports
* Fixed test
* Search in archive channels from the API must be explicitly requested
* Removing includeDeleted parameter from GetChannelByName and GetChannelByNameForTeam
* Back to ViewArchivedChannels config
* Fixing tests
* Reverting GetChannelByName parameter
* Add include deleted parameter on GetChannel functions in plugins api
* Fixing tests
* MM-6992 Added highlighting to elasticsearch results
* Added a unique type for post search matches
* Fixed Elasticsearch matches not being sent through API
* image proxy support
* go vet fix, remove mistakenly added coverage file
* fix test compile error
* add validation to config settings and documentation to model functions
* add message_source field to post
* Implement user access tokens and new roles
* Update config.json
* Add public post permission to apiv3
* Remove old comment
* Fix model unit test
* Updates to store per feedback
* Updates per feedback from CS
* Revert "PLT-5765 Passed SiteURL to SendNotifications (#5705)"
This reverts commit a8e68bd890.
* Removed automatic configuration of SiteURL
* Reverted unintentional config changes
* Updated help text
* Added link to docs in Site URL warning
* Fixed merge conflict
* Implement POST /posts endpoint for APIv4
* Implement GET /channels/{channel_id}/posts endpoint for APIv4
* Implement GET /posts/{post_id} endpoint for APIv4
* Implement GET /posts/{post_id}/thread endpoint for APIv4
* Skip team get if it's a DM channel in handlePostEvents
