small fixes in Image

src/common/Common.hpp

@@ -1,16 +1,15 @@
 #pragma once
 
-#include "common/Aliases.hpp"
-#include "common/Outcome.hpp"
-#include "common/ProviderId.hpp"
-
 #include <QString>
 #include <QWidget>
 #include <boost/optional.hpp>
 #include <boost/preprocessor.hpp>
-
 #include <string>
 
+#include "common/Aliases.hpp"
+#include "common/Outcome.hpp"
+#include "common/ProviderId.hpp"
+
 namespace chatterino {
 
 enum class HighlightState {
@@ -46,4 +45,14 @@ enum class CopyMode {
     OnlyTextAndEmotes,
 };
 
+struct DeleteLater {
+    void operator()(QObject *obj)
+    {
+        obj->deleteLater();
+    }
+};
+
+template <typename T>
+using QObjectPtr = std::unique_ptr<T, DeleteLater>;
+
 }  // namespace chatterino