[MM-32281] SqlRoleStore/GetByName: add context to allow read from master (#17176)

* role_store/GetByName: add context

* propagate context in the app layer

* propagate context in the app layer

* add missing import

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

app/slashcommands/helper_test.go

@@ -5,6 +5,7 @@ package slashcommands
 
 import (
 	"bytes"
+	"context"
 	"io/ioutil"
 	"os"
 	"path/filepath"
@@ -398,7 +399,7 @@ func (th *TestHelper) tearDown() {
 func (th *TestHelper) removePermissionFromRole(permission string, roleName string) {
 	utils.DisableDebugLogForTest()
 
-	role, err1 := th.App.GetRoleByName(roleName)
+	role, err1 := th.App.GetRoleByName(context.Background(), roleName)
 	if err1 != nil {
 		utils.EnableDebugLogForTest()
 		panic(err1)
@@ -430,7 +431,7 @@ func (th *TestHelper) removePermissionFromRole(permission string, roleName strin
 func (th *TestHelper) addPermissionToRole(permission string, roleName string) {
 	utils.DisableDebugLogForTest()
 
-	role, err1 := th.App.GetRoleByName(roleName)
+	role, err1 := th.App.GetRoleByName(context.Background(), roleName)
 	if err1 != nil {
 		utils.EnableDebugLogForTest()
 		panic(err1)