(you don't have to strictly follow this form)

**Describe the bug**
Join fails if table names contain some special symbols (e.g. '/').

**How to reproduce**
* Which ClickHouse server version to use
version 20.11.4
* Which interface to use, if matters
* Non-default settings, if any
* `CREATE TABLE` statements for all tables involved
create table "/t0" (a Int64, b Int64) engine = MergeTree() partition by a order by a;
create table "/t1" (a Int64, b Int64) engine = MergeTree() partition by a order by a;
* Sample data for all these tables
insert into "/t0" values (0, 0);
insert into "/t1" values (0, 1);
* Queries to run that lead to unexpected result
select * from "/t0" join "/t1" using a
**Expected behavior**
A clear and concise description of what you expected to happen.

**Error message and/or stacktrace**

Received exception from server (version 20.11.4):
Code: 62. DB::Exception: Received from localhost:9000. DB::Exception: Syntax error (table or subquery or table function): failed at position 16 ('/'): /t1) as /t1. Expected one of: SELECT subquery, compound identifier, identifier, element of expression with optional alias, list of elements, function, table, table function, subquery or list of joined tables, table or subquery or table function.

**Additional context**

When I rename tables with "t0" and "t1" everything works fine. It looks like ClickHouse rewrites query somehow and uses table names without quotes.

{
    if (tables_with_columns.size() < 2)
        return {};
    auto settings = context->getSettingsRef();
    auto table_join = std::make_shared<TableJoin>(settings, context->getTemporaryVolume());
    const ASTTablesInSelectQueryElement * ast_join = select_query.join();
    const auto & table_to_join = ast_join->table_expression->as<ASTTableExpression &>();
    
    if (table_to_join.database_and_table_name)
    {
        auto joined_table_id = context->resolveStorageID(table_to_join.database_and_table_name);
        StoragePtr table = DatabaseCatalog::instance().tryGetTable(joined_table_id, context);
        if (table)
        {
            if (dynamic_cast<StorageJoin *>(table.get()) ||
                dynamic_cast<StorageDictionary *>(table.get()))
                table_join->joined_storage = table;
        }
    }
    if (!table_join->joined_storage &&
        settings.enable_optimize_predicate_expression)
        replaceJoinedTable(select_query);
    return table_join;
}
}