Implement folding of scheduler task groups
Scheduler's task groups is really usefull feature in a projects, that use CLI intensively.
In addition it would be good to have folding in "Scheduler" module, based on task groups. State may be saved in BE user's "uc". By default all groups are opened.
[FEATURE] EXT:Scheduler: Implemented folding of scheduler task groups
Tested-by: TYPO3com <email@example.com>
Reviewed-by: Philipp Gampe <firstname.lastname@example.org>
Tested-by: Philipp Gampe <email@example.com>
Reviewed-by: Christian Kuhn <firstname.lastname@example.org>
Tested-by: Christian Kuhn <email@example.com>