np: separate PSN emulation from host networking

Co-authored-by: Chai T <chaitukca@gmail.com>

src/common/emulatorConfig.cpp

@@ -137,6 +137,10 @@ bool IsNetworkConnected() {
 	return g_config->network_connected;
 }
 
+bool PsnEmulationEnabled() {
+	return g_config->psn_emulation_enabled;
+}
+
 bool ShaderValidationEnabled() {
 	return g_config->shader_validation_enabled;
 }