[ticket/12446] Unnecessary db connect inphpbb_bootstrap_enabled_exts

PHPBB3-12446
Merge remote-tracking branch 'github-nicofuma/ticket/12446' into develop-ascraeus

* github-nicofuma/ticket/12446:
  [ticket/12446] Unnecessary db connect inphpbb_bootstrap_enabled_exts
Merge branch 'develop-ascraeus' into develop

* develop-ascraeus:
  [ticket/12446] Unnecessary db connect inphpbb_bootstrap_enabled_exts