pgsql: psql: Fix expanded aligned output

psql: Fix expanded aligned output

When a table's columns are narrower than the record header line, the
expanded aligned format produced misaligned output because the data
column width was not adjusted to match the record header width, leading
to output like:
+-[ RECORD 1 ]-+
| a | 10 |
| b | 20 |
+---+----+

This commit adjusts the output so as the column width match with the
header line, giving:
+-[ RECORD 1 ]-+
| a | 10 |
| b | 20 |
+---+----------+

Author: Pavel Stehule <pavel.stehule@gmail.com>
Reviewed-by: Chao Li <li.evan.chao@gmail.com>
Discussion: /messages/by-id/CAFj8pRCzGpsr9zTHbtTd4mGh2YPJqOEgLgt8JLiopuYA9_1xGw@mail.gmail.com
Backpatch-through: 14

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/3d0d6741d810fbab894905b4945f4dc4e827c4ff

Modified Files
--------------
src/fe_utils/print.c | 7 ++++---
src/test/regress/expected/psql.out | 26 ++++++++++++++++++++++++++
src/test/regress/sql/psql.sql | 11 +++++++++++
3 files changed, 41 insertions(+), 3 deletions(-)