fix: tweak empty line output of spark db:table

[kenjis]

Description
before:

$ php spark db:table ci_sessions

CodeIgniter v4.2.1 Command Line Tool - Server Time: 2022-07-01 03:53:00 UTC-05:00


Data of Table "ci_sessions":

+--------------------+------------+--------------------+--------------------+
| id                 | ip_address | timestamp          | data               |
+--------------------+------------+--------------------+--------------------+
| 1f5o06b43phsnnf... | 127.0.0.1  | 2021-06-25 21:5... | __ci_last_regen... |
+--------------------+------------+--------------------+--------------------+

after:

$ php spark db:table ci_sessions

CodeIgniter v4.2.1 Command Line Tool - Server Time: 2022-07-01 03:52:34 UTC-05:00

Data of Table "ci_sessions":

+--------------------+------------+--------------------+--------------------+
| id                 | ip_address | timestamp          | data               |
+--------------------+------------+--------------------+--------------------+
| 1f5o06b43phsnnf... | 127.0.0.1  | 2021-06-25 21:5... | __ci_last_regen... |
+--------------------+------------+--------------------+--------------------+

Checklist:

• Securely signed commits
• Component(s) with PHPDoc blocks, only if necessary or adds value
• Unit testing, with >80% coverage
• User guide updated
• Conforms to style guide