Fix: [Script] Properly store the previous AsyncMode state (#11587)

src/script/api/script_asyncmode.cpp

@@ -39,8 +39,8 @@ ScriptAsyncMode::ScriptAsyncMode(HSQUIRRELVM vm)
 		throw sq_throwerror(vm, "Argument must be a boolean");
 	}
 
-	this->last_mode     = this->GetDoCommandMode();
-	this->last_instance = this->GetDoCommandModeInstance();
+	this->last_mode     = this->GetDoCommandAsyncMode();
+	this->last_instance = this->GetDoCommandAsyncModeInstance();
 
 	this->SetDoCommandAsyncMode(sqasync ? &ScriptAsyncMode::AsyncModeProc : &ScriptAsyncMode::NonAsyncModeProc, this);
 }