only day and week view in this commit

Fix/0022023/orgu course settings

* trunk:
  Chat: Fixed #22144

* trunk: (66 commits)
  dbupdate for mantis 20382 - fixing gaps in test question ordering
  Chat: Changes according to #22109
  second part of the fix for #22018: Empty Copy and paste leads to corrupt survey: avoid pasting empty stuff into clipboard
  fixed several issues that lead to duplicates in tables, 22018: Empty Copy and paste leads to corrupt survey
  #0021759
  fixed workflowengine unittest
  [Fix 21592] cal: course filehandler, ids-titles
  StudyProgramme: also works when no previous courses are ackknowledge for new member
  [Fix 22097] week custom grid
  [Fix 22097] day custom grid
  Establish non-static behavior for MailAddressParser
  Remove dead code
  0018614: Pictures distortion, when using mobile
  Contacts: Fix according to #22128
  [HUN] 20171119
  Fix missing prefixes for class names
  OnScreenChat: Fixed typo
  Update Autoloadmap
  OnScreenChat: Fixed wrong avatar in main menu popover
  Fixed 0021018: Member-lists in ILIAS
  ...

# Conflicts:
#	lang/ilias_de.lang
#	lang/ilias_en.lang

second part of the fix for #22018: Empty Copy and paste leads to corrupt survey: avoid pasting empty stuff into clipboard

Merge pull request #767 from studer-raimann/fix/0022022/trunk/individual_assessment_positions_settings

[FIX] Mantis 0022022: The settings of individual assesment is now sav…

[FIX] Mantis 21858: The orgunit generic input gui can now be empty-

fixed several issues that lead to duplicates in tables, 22018: Empty Copy and paste leads to corrupt survey

WFLE vs. PHP 7.2: Replaced create_function (deprecated)

21938 - Amend access in administration tabs - fix icon handling - fix update steps

Trunk 21564 - Iass: replace 'record file' position in finalized record 

21559 - add new status for not finalized but saved once

php-version of testing environment

Replace static `ilMailRfc822AddressParserFactory::getParser()` with non-static approach

Refactor mail address factory to non-static approach