[TASK] Streamline error for already filled database

Currently, when the selected db has already tables
an exception is thrown

This has been changed by showing a nicely formatted
error message like done for any other error in this command.

Resolves: #101172
Releases: main, 12.4
Change-Id: I09fe21a5cce71ff860f965244bee86474ee5c398
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/79854


Tested-by: Benjamin Franzke <ben@bnf.dev>
Reviewed-by: Benjamin Franzke <ben@bnf.dev>
Tested-by: core-ci <typo3@b13.com>