Fix trailing whitespaces in FROM/IN clause with subqueries in multiline
mode, and also changes the output of the queries slightly in a more
human friendly way.
Before:
$ clickhouse-format <<<'select * from system.one, (select * from system.one)'
SELECT *
FROM system.one
,
(
SELECT *
FROM system.one
)
After:
$ clickhouse-format <<<'select * from system.one, (select * from system.one)'
SELECT *
FROM system.one,
(
SELECT *
FROM system.one
)
v2: Fix subqueries formatting in a different way
v3: Adjust *.reference in tests
v4: Fix modernize-loop-convert in ASTTablesInSelectQuery
