Merge pull request #11873 from AdmiralCurtiss/pause-and-lock-host

Core: Assert that only the Host thread may call PauseAndLock().

Source/Core/DolphinNoGUI/MainNoGUI.cpp

@@ -185,6 +185,8 @@ static std::unique_ptr<Platform> GetPlatform(const optparse::Values& options)
 
 int main(int argc, char* argv[])
 {
+  Core::DeclareAsHostThread();
+
   auto parser = CommandLineParse::CreateParser(CommandLineParse::ParserOptions::OmitGUIOptions);
   parser->add_option("-p", "--platform")
       .action("store")