server/public/ -- pre-requisite changes (#23278)

* invert depdendency: filestore -> model

* markdown: nolint:misspell

* inline jsonutils within model

* push model.GetInfoForBytes -> channels/app

* push channel/utils.CompileGo* -> plugin/utils

* push plugin/scheduler -> channels/jobs/plugins

* push utils.Copy(File|Dir) -> model

* oauthproiders/gitlab -> channels/app/oauthproviders/gitlab

* decouple plugin from einterfaces.MetricsInterface

* fix TestGetInfoForFile

* Revert "Run golangci in server CI (#23240)"

This reverts commit 349e5d4573.

* add model/utils

---------

Co-authored-by: Agniva De Sarker <agnivade@yahoo.co.in>

server/cmd/mattermost/main.go

@@ -10,7 +10,7 @@ import (
 	// Import and register app layer slash commands
 	_ "github.com/mattermost/mattermost-server/server/v8/channels/app/slashcommands"
 	// Plugins
-	_ "github.com/mattermost/mattermost-server/server/v8/model/oauthproviders/gitlab"
+	_ "github.com/mattermost/mattermost-server/server/v8/channels/app/oauthproviders/gitlab"
 
 	// Enterprise Imports
 	_ "github.com/mattermost/mattermost-server/server/v8/channels/imports"