File 0001-use-bundled-webrtc.patch of Package telegram-desktop

Index: tdesktop-4.4.0-full/cmake/external/webrtc/CMakeLists.txt
===================================================================
--- tdesktop-4.4.0-full.orig/cmake/external/webrtc/CMakeLists.txt
+++ tdesktop-4.4.0-full/cmake/external/webrtc/CMakeLists.txt
@@ -7,7 +7,7 @@
 add_library(external_webrtc INTERFACE IMPORTED GLOBAL)
 add_library(desktop-app::external_webrtc ALIAS external_webrtc)
 
-if (DESKTOP_APP_USE_PACKAGED)
+if (NOT DESKTOP_APP_USE_PACKAGED)
     find_package(tg_owt REQUIRED)
     target_link_libraries(external_webrtc INTERFACE tg_owt::tg_owt)
     return()