goimports (#16640)

* format using `goimports -local github.com/mattermost/mattermost-server/v5 -w`

* added goimports lint check to .golangci.yml

* format using `goimports -local github.com/mattermost/mattermost-server/v5 -w` for a corner case

* make app-layers, *-mocks and store-layers for ci check

Co-authored-by: Mahmudul Haque <mahmudulhaque@protonmail.com>
Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

services/cache/lru.go

@@ -8,10 +8,10 @@ import (
 	"sync"
 	"time"
 
-	"github.com/mattermost/mattermost-server/v5/model"
-
 	"github.com/tinylib/msgp/msgp"
 	"github.com/vmihailenco/msgpack/v5"
+
+	"github.com/mattermost/mattermost-server/v5/model"
 )
 
 // LRU is a thread-safe fixed size LRU cache.

services/cache/lru_striped_bench_test.go

@@ -9,9 +9,9 @@ import (
 	"sync"
 	"testing"
 
-	"github.com/mattermost/mattermost-server/v5/services/cache"
-
 	"github.com/cespare/xxhash/v2"
+
+	"github.com/mattermost/mattermost-server/v5/services/cache"
 )
 
 const (

services/cache/lru_striped_test.go

@@ -8,11 +8,11 @@ import (
 	"hash/maphash"
 	"testing"
 
-	"github.com/mattermost/mattermost-server/v5/model"
-
 	"github.com/cespare/xxhash/v2"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
+
+	"github.com/mattermost/mattermost-server/v5/model"
 )
 
 func makeLRUPredictibleTestData(num int) [][2]string {

services/cache/lru_test.go

@@ -9,9 +9,10 @@ import (
 	"testing"
 	"time"
 
-	"github.com/mattermost/mattermost-server/v5/model"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
+
+	"github.com/mattermost/mattermost-server/v5/model"
 )
 
 func TestLRU(t *testing.T) {

services/cache/mocks/Provider.go

@@ -3,8 +3,9 @@
 package mocks
 
 import (
-	cache "github.com/mattermost/mattermost-server/v5/services/cache"
 	mock "github.com/stretchr/testify/mock"
+
+	cache "github.com/mattermost/mattermost-server/v5/services/cache"
 )
 
 // Provider is an autogenerated mock type for the Provider type

services/cache/provider.go

@@ -3,7 +3,9 @@
 
 package cache
 
-import "time"
+import (
+	"time"
+)
 
 // CacheOptions contains options for initializaing a cache
 type CacheOptions struct {