[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/role.go

@@ -4,6 +4,7 @@
 package app
 
 import (
+	"context"
 	"errors"
 	"net/http"
 	"reflect"
@@ -38,8 +39,8 @@ func (a *App) GetAllRoles() ([]*model.Role, *model.AppError) {
 	return roles, nil
 }
 
-func (s *Server) GetRoleByName(name string) (*model.Role, *model.AppError) {
-	role, nErr := s.Store.Role().GetByName(name)
+func (s *Server) GetRoleByName(ctx context.Context, name string) (*model.Role, *model.AppError) {
+	role, nErr := s.Store.Role().GetByName(ctx, name)
 	if nErr != nil {
 		var nfErr *store.ErrNotFound
 		switch {
@@ -58,8 +59,8 @@ func (s *Server) GetRoleByName(name string) (*model.Role, *model.AppError) {
 	return role, nil
 }
 
-func (a *App) GetRoleByName(name string) (*model.Role, *model.AppError) {
-	return a.Srv().GetRoleByName(name)
+func (a *App) GetRoleByName(ctx context.Context, name string) (*model.Role, *model.AppError) {
+	return a.Srv().GetRoleByName(ctx, name)
 }
 
 func (a *App) GetRolesByNames(names []string) ([]*model.Role, *model.AppError) {