[shop] Multiple outfits in a single offer with comma separated outfitIds

[Znote]

For instance: Allow players who buy Noble outfit to unlock both male and female outfit id. (depending on character gender).

array(
    'type' => 5,
    'itemid' => [132, 140], // Outfit IDs
    'count' => 3, // Addon 0 = none, 1 = first, 2 = second, 3 = both
    'description' => "Nobleman with both addons",
    'points' => 20,
)

Files that needs to be updated:

• shop.php
• /LUA/TFS_10/talkaction shopsystem/znoteshop.lua
• /LUA/TFS_10/globalevent shopsystem/znoteshop.lua
• /LUA/TFS_03/talkaction shopsystem/znoteshop.lua
• /LUA/TFS_03/talkaction shopsystem/Alternatives/znoteshop.lua
• /LUA/TFS_02/talkaction shopsystem/znoteshop.lua