[site:install] Improve support of --db-url #4049
Looking at the newly introduced --db-url argument for site:install, I believe there's room for some improvements.
If --db-url is specified and valid, there is no purpose to go through the other options. We can just install based on that.
Here's my suggested changes - not for merging yet but rather for sharing with the community - I am new to Drupal console contribution so please bear with me.
My goal: allow