cmake: Put decklink-captions in source folders

UI/frontend-plugins/decklink-captions/CMakeLists.txt

@@ -39,5 +39,6 @@ target_link_libraries(decklink-captions
         obs-frontend-api
         Qt5::Widgets
         libobs)
+set_target_properties(decklink-captions PROPERTIES FOLDER "plugins/decklink")
 
 install_obs_plugin_with_data(decklink-captions data)

plugins/decklink/linux/CMakeLists.txt

@@ -67,6 +67,6 @@ add_library(linux-decklink MODULE
 target_link_libraries(linux-decklink
 	libobs
 	caption)
-set_target_properties(linux-decklink PROPERTIES FOLDER "plugins")
+set_target_properties(linux-decklink PROPERTIES FOLDER "plugins/decklink")
 
 install_obs_plugin_with_data(linux-decklink ../data)

plugins/decklink/mac/CMakeLists.txt

@@ -80,6 +80,6 @@ target_link_libraries(mac-decklink
 	obs-frontend-api
 	${COREFOUNDATION}
 	caption)
-set_target_properties(mac-decklink PROPERTIES FOLDER "plugins")
+set_target_properties(mac-decklink PROPERTIES FOLDER "plugins/decklink")
 
 install_obs_plugin_with_data(mac-decklink ../data)

plugins/decklink/win/CMakeLists.txt

@@ -74,6 +74,6 @@ target_link_libraries(win-decklink
 	libobs
 	obs-frontend-api
 	caption)
-set_target_properties(win-decklink PROPERTIES FOLDER "plugins")
+set_target_properties(win-decklink PROPERTIES FOLDER "plugins/decklink")
 
 install_obs_plugin_with_data(win-decklink ../data)