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/channels/store/searchlayer/channel_layer.go

@@ -8,10 +8,10 @@ import (
 
 	"github.com/pkg/errors"
 
+	"github.com/mattermost/mattermost-server/server/public/model"
+	"github.com/mattermost/mattermost-server/server/public/shared/mlog"
 	"github.com/mattermost/mattermost-server/server/v8/channels/store"
-	"github.com/mattermost/mattermost-server/server/v8/model"
 	"github.com/mattermost/mattermost-server/server/v8/platform/services/searchengine"
-	"github.com/mattermost/mattermost-server/server/v8/platform/shared/mlog"
 )
 
 type SearchChannelStore struct {

server/channels/store/searchlayer/file_info_layer.go

@@ -4,10 +4,10 @@
 package searchlayer
 
 import (
+	"github.com/mattermost/mattermost-server/server/public/model"
+	"github.com/mattermost/mattermost-server/server/public/shared/mlog"
 	"github.com/mattermost/mattermost-server/server/v8/channels/store"
-	"github.com/mattermost/mattermost-server/server/v8/model"
 	"github.com/mattermost/mattermost-server/server/v8/platform/services/searchengine"
-	"github.com/mattermost/mattermost-server/server/v8/platform/shared/mlog"
 )
 
 type SearchFileInfoStore struct {

server/channels/store/searchlayer/layer.go

@@ -7,10 +7,10 @@ import (
 	"context"
 	"sync/atomic"
 
+	"github.com/mattermost/mattermost-server/server/public/model"
+	"github.com/mattermost/mattermost-server/server/public/shared/mlog"
 	"github.com/mattermost/mattermost-server/server/v8/channels/store"
-	"github.com/mattermost/mattermost-server/server/v8/model"
 	"github.com/mattermost/mattermost-server/server/v8/platform/services/searchengine"
-	"github.com/mattermost/mattermost-server/server/v8/platform/shared/mlog"
 )
 
 type SearchStore struct {

server/channels/store/searchlayer/layer_test.go

@@ -8,11 +8,11 @@ import (
 	"sync"
 	"testing"
 
+	"github.com/mattermost/mattermost-server/server/public/model"
 	"github.com/mattermost/mattermost-server/server/v8/channels/store/searchlayer"
 	"github.com/mattermost/mattermost-server/server/v8/channels/store/sqlstore"
 	"github.com/mattermost/mattermost-server/server/v8/channels/store/storetest"
 	"github.com/mattermost/mattermost-server/server/v8/channels/testlib"
-	"github.com/mattermost/mattermost-server/server/v8/model"
 	"github.com/mattermost/mattermost-server/server/v8/platform/services/searchengine"
 )
 

server/channels/store/searchlayer/post_layer.go

@@ -8,10 +8,10 @@ import (
 
 	"github.com/pkg/errors"
 
+	"github.com/mattermost/mattermost-server/server/public/model"
+	"github.com/mattermost/mattermost-server/server/public/shared/mlog"
 	"github.com/mattermost/mattermost-server/server/v8/channels/store"
-	"github.com/mattermost/mattermost-server/server/v8/model"
 	"github.com/mattermost/mattermost-server/server/v8/platform/services/searchengine"
-	"github.com/mattermost/mattermost-server/server/v8/platform/shared/mlog"
 )
 
 type SearchPostStore struct {

server/channels/store/searchlayer/team_layer.go

@@ -4,8 +4,8 @@
 package searchlayer
 
 import (
+	model "github.com/mattermost/mattermost-server/server/public/model"
 	store "github.com/mattermost/mattermost-server/server/v8/channels/store"
-	model "github.com/mattermost/mattermost-server/server/v8/model"
 )
 
 type SearchTeamStore struct {

server/channels/store/searchlayer/user_layer.go

@@ -9,10 +9,10 @@ import (
 
 	"github.com/pkg/errors"
 
+	"github.com/mattermost/mattermost-server/server/public/model"
+	"github.com/mattermost/mattermost-server/server/public/shared/mlog"
 	"github.com/mattermost/mattermost-server/server/v8/channels/store"
-	"github.com/mattermost/mattermost-server/server/v8/model"
 	"github.com/mattermost/mattermost-server/server/v8/platform/services/searchengine"
-	"github.com/mattermost/mattermost-server/server/v8/platform/shared/mlog"
 )
 
 type SearchUserStore struct {