[PLT-7793] Added /users/tokens endpoint (#8038)

* Added /users/tokens/all endpoint

- UserAccessStore now has getAll method
- Added tests
- Added route
- Added handler

* Remove space fix check-style

* Remove blank space check-style

* Fixes for make check-style

* Remove extra code that is un-needed in user_test.go

* Rename endpoint + grammar

- Renamed /users/tokens/all to /users/tokens
- Renamed getUserAccessTokens to getUserAccessTokensForUser
- Renamed getAllUserAccessTokens to getUserAccessTokens
- Minor Grammar changes

* Add localization for sql_user_access_token.get_all

* Fix minor plural spelling

app/session.go

@@ -356,6 +356,19 @@ func (a *App) EnableUserAccessToken(token *model.UserAccessToken) *model.AppErro
 	return nil
 }
 
+func (a *App) GetUserAccessTokens(page, perPage int) ([]*model.UserAccessToken, *model.AppError) {
+	if result := <-a.Srv.Store.UserAccessToken().GetAll(page*perPage, perPage); result.Err != nil {
+		return nil, result.Err
+	} else {
+		tokens := result.Data.([]*model.UserAccessToken)
+		for _, token := range tokens {
+			token.Token = ""
+		}
+
+		return tokens, nil
+	}
+}
+
 func (a *App) GetUserAccessTokensForUser(userId string, page, perPage int) ([]*model.UserAccessToken, *model.AppError) {
 	if result := <-a.Srv.Store.UserAccessToken().GetByUser(userId, page*perPage, perPage); result.Err != nil {
 		return nil, result.Err