minor announcement stuff left to do

 * Request the sec:CaptionInfo and sec:CaptionInfoEx DIDL attributes
 * If one of the two caption attributes are present, build and add an
   input-slave option string which forces the subtitle demux
 * Add the sub-track-id option to input items with subtitles
   so the subtitles are immediately visible

When trying to set 1, VLC hangs...

macosx: video effects panel: synchronize text field and stepper values properly by using cocoa bindings

This simplifies the code and fixes stepper responseness.
This also fixes enabled state of some steppers.

For indentation, the outline table column needs to be set, which used to be the title column. This is not a bad choice, since it is only column populated by all items.

However, one can't remove the outline table column easily, so I chose to disable the ability to remove it, something virtually all users don't want to do anyway.

The option is presented to the user in a simplified way, since there is only one hardware acceleration module on the Mac.

close #7873

(first window as wallpaper, all other ones as normal windows.)

Also, omit fraction of seconds.

Fixes #7776

Signed-off-by: Felix Paul Kühne <fkuehne@videolan.org>

Fix #7884 and #7887 by implementing the first proposition.