archives: avoid collapsing archive with single folder

We have historically used the m_bIsFolder after this as a flag,
to skip display of file. For example for rar 00X part files.

By not collopsing single folders, we can properly browse into
them again.
[bluray] Indentation cosmetics.
[bluray] Add debug logging.
[Fix][bluray] bd_menu_call( , ) returns 0 in case of a failure.
Properly handle cookies that specify a sub-domain
ffmpeg: correctly handle cookies that specify a sub-domain
VideoInfoScanner::GetFanart: fix: don't dereference null pointer
VideoThumbLoader::LoadItemLookup: don't try to load any art for "add" button
Merge pull request #4075 from Karlson2k/fix_add_cover

fix: FileItem::FindLocalArt: don't try to find fanart for "add" button
[info] don't ToLower() info conditions prior to resolving them - we need only compare them caseless in the info store
Merge pull request #4082 from jmarshallnz/case_sensitive_infobool

[info] don't ToLower() info conditions prior to resolving them
Merge pull request #4081 from voguemaster/master

ffmpeg: Correctly handle cookies that specify a sub-domain.
Merge pull request #4050 from elupus/archivefolder

archives: avoid collapsing archive with single folder
[Fix][bluray] BD_EVENT_MENU and BD_EVENT_IDLE are independent of HAVE_LIBBLURAY_BDJ.
[Fix][bluray] Add HAVE_LIBBLURAY guard to BlurayDirectory.cpp.
[Fix][bluray] Fix infinite loop if (next) bluray title can not be played.
For example this can happen when the next title is a bd-j title and libbluray has no bd-j support compiled in.
[bluray] Make the infinite loop fix work with libbluray 0.2.1.
[bluray] Disable menu icon of the VideoOSD if a bluray is played in non nav mode.
[Fix][bluray/geometry] Fix compiler warning about float -> int and int -> float conversions.
[gui] fix setting state on controls inside groups inside containers. fixes #14295