Fix right-clicking of emotes

There are a few more actions that we might want to add at a later date,
      but a simple feature set has been implemented

Fix #386

src/messages/messageelement.hpp

@@ -169,7 +169,6 @@ public:
 //   b) which size it wants
 class EmoteElement : public MessageElement
 {
-    const util::EmoteData data;
     std::unique_ptr<TextElement> textElement;
 
 public:
@@ -177,6 +176,8 @@ public:
     ~EmoteElement() override = default;
 
     void addToContainer(MessageLayoutContainer &container, MessageElement::Flags flags) override;
+
+    const util::EmoteData data;
 };
 
 // contains a text, formated depending on the preferences