PLT-6987 User access token UI (#7007)

* Add user access token UI

* Fix enter press and update mattermost-redux

* Updating UI for access token stuff (#7066)

* Revert segment key

store/sql_upgrade.go

@@ -282,6 +282,12 @@ func UpgradeDatabaseToVersion40(sqlStore SqlStore) {
 func UpgradeDatabaseToVersion41(sqlStore SqlStore) {
 	// TODO: Uncomment following condition when version 4.1.0 is released
 	// if shouldPerformUpgrade(sqlStore, VERSION_4_0_0, VERSION_4_1_0) {
+
+	// Increase maximum length of the Users table Roles column.
+	if sqlStore.GetMaxLengthOfColumnIfExists("Users", "Roles") != "256" {
+		sqlStore.AlterColumnTypeIfExists("Users", "Roles", "varchar(256)", "varchar(256)")
+	}
+
 	sqlStore.RemoveTableIfExists("JobStatuses")
 	// 	saveSchemaVersion(sqlStore, VERSION_4_1_0)
 	// }