do init after load_game (mednafen boots now)

crates/retrovnc/src/main.rs

@@ -170,12 +170,13 @@ fn main() -> Result<()> {
 
 	app.load_core(core_path)?;
 
-	// Initalize app
-	app.init();
 
 	if let Some(rom_path) = matches.get_one::<String>("rom") {
 		app.load_game(rom_path)?
 	}
+	
+	// Initalize app
+	app.init();
 
 	app.main_loop();
 }