StatusSummaryQuery: workaround for silly ZF fix

This brings the tiny summaries back. Host- and servicegroups and TO are
still broken.

refs #7303
StatusSummaryQuery: one more quickfix

Tactical overview works again right now

refs #7303
GroupsummaryQuery: adjust queries to fix ZF woes

Some less brackets also here. Dropping COALESCE as the subquery will
never return NULL

fixes #7303
Introduce getValue() in Preferences and fix the loading of values
Fix eventhistory sort oder

fixes #7267
Add a better time format for downtime
Revert "lib: Remove form element `Note'"

This reverts commit c21d7d1fdda460050cac822e5627fd584b3f7a01.
Replace Zend Note Element through Icingas Note Element

fixes #7318
fixes #7309
fixes #7307
Remove typo in RemoteInstaceForm

refs #7307
Translation: another bunch of translatable strings
Merge branch 'bugfix/translation-strings-6339'

refs #6339
Merge branch 'master' into feature/setup-wizard-7163
Use Icinga\Web\Form\Element\Note instead of Zend_Form_Element_Note

Zend_Form_Element_Note is not available prior Zend v1.12.2

refs #7163