bug #4489 Incorrect detection of privileges for routine creation

Signed-off-by: Marc Delisle <marc@infomarc.info>
Translated using Weblate (Simplified Chinese)

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Merge remote-tracking branch 'origin/QA_4_2' into QA_4_2
Also show the Drop link in the routines list (because it's difficult to detect all privileges possibilities

Signed-off-by: Marc Delisle <marc@infomarc.info>
Merge branch 'QA_4_2' of https://github.com/phpmyadmin/phpmyadmin into QA_4_2