Bug Sqlform:Missing value in the form

Signed-off-by: Smita Kumari <kumarismita62@gmail.com>
Merge pull request #1094 from smita786/QA_4_1

bug fix #4338:Executing queries in SQL tab broken Bug
Translated using Weblate (Ukrainian)

Currently translated at 94.5% (2598 of 2749)
Merge remote-tracking branch 'origin/QA_4_1' into QA_4_1
changelog entry

Signed-off-by: Michal Čihař <michal@cihar.com>
Allow TCPDF to be removed

We currently require TCPDF to be present, but in most cases this is
feature which users do not need and thus can reduce size of installed
phpMyAdmin.

Also this is helpful for Linux distributions as they can provide soft
dependency on tcpdf package.

Signed-off-by: Michal Čihař <michal@cihar.com>