[bugfix] Fix domains not being unblockable, log internal server errors from API (#833)

* log internal server errors from 500 api calls

* don't exec into nil dest

* don't exec into nil dest

* log error in router logger not api errorhandling

* update logging a tad

* linter

internal/db/bundb/domain.go

@@ -107,7 +107,7 @@ func (d *domainDB) DeleteDomainBlock(ctx context.Context, domain string) db.Erro
 	_, err := d.conn.NewDelete().
 		Model((*gtsmodel.DomainBlock)(nil)).
 		Where("domain = ?", domain).
-		Exec(ctx, nil)
+		Exec(ctx)
 	if err != nil {
 		return d.conn.ProcessError(err)
 	}