Downstream Keyer 0.4.4

OBS version 28 support

Add option to exclude program scenes per DSK tab

fix output channel to large

fix crash when starting with OBS 27.1 RC1 or higher

• add show and hide transition options
• add tie option, allowing you to transition the DSK when the next global transition occurs.

fix transition reference leak (crash on shutdown)

Fix translation loading

• fix transition memleak (crash on shutdown)
• add hotkeys

add multiple DSK support

update transition list