Expose public/ API as submodule (#23345)

* model -> public/model

* plugin -> public/plugin

* public/model/utils -> public/utils

* platform/shared/mlog -> public/shared/mlog

* platform/shared/i18n -> public/shared/i18n

* platform/shared/markdown -> public/shared/markdown

* platform/services/timezones -> public/shared/timezones

* channels/einterfaces -> einterfaces

* expose public/ submodule

* go mod tidy

* .github: cache-dependency-path, setup-go-work

* modules-tidy for public/ too

* remove old gomodtidy

server/platform/shared/filestore/filesstore.go

@@ -8,7 +8,7 @@ import (
 	"io"
 	"time"
 
-	"github.com/mattermost/mattermost-server/server/v8/model"
+	"github.com/mattermost/mattermost-server/server/public/model"
 	"github.com/pkg/errors"
 )
 

server/platform/shared/filestore/filesstore_test.go

@@ -18,7 +18,7 @@ import (
 	"github.com/stretchr/testify/suite"
 	"github.com/xtgo/uuid"
 
-	"github.com/mattermost/mattermost-server/server/v8/platform/shared/mlog"
+	"github.com/mattermost/mattermost-server/server/public/shared/mlog"
 )
 
 func randomString() string {

server/platform/shared/filestore/localstore.go

@@ -12,7 +12,7 @@ import (
 
 	"github.com/pkg/errors"
 
-	"github.com/mattermost/mattermost-server/server/v8/platform/shared/mlog"
+	"github.com/mattermost/mattermost-server/server/public/shared/mlog"
 )
 
 const (

server/platform/shared/filestore/s3store.go

@@ -19,7 +19,7 @@ import (
 	"github.com/minio/minio-go/v7/pkg/encrypt"
 	"github.com/pkg/errors"
 
-	"github.com/mattermost/mattermost-server/server/v8/platform/shared/mlog"
+	"github.com/mattermost/mattermost-server/server/public/shared/mlog"
 )
 
 // S3FileBackend contains all necessary information to communicate with

server/platform/shared/filestore/s3store_test.go

@@ -18,7 +18,7 @@ import (
 	"testing"
 	"time"
 
-	"github.com/mattermost/mattermost-server/server/v8/model"
+	"github.com/mattermost/mattermost-server/server/public/model"
 	s3 "github.com/minio/minio-go/v7"
 	"github.com/stretchr/testify/require"
 )