applets/mii_edit: Use aliases for callbacks

src/core/frontend/applets/mii_edit.cpp

@@ -8,7 +8,7 @@ namespace Core::Frontend {
 
 MiiEditApplet::~MiiEditApplet() = default;
 
-void DefaultMiiEditApplet::ShowMiiEdit(const std::function<void()>& callback) const {
+void DefaultMiiEditApplet::ShowMiiEdit(const MiiEditCallback& callback) const {
     LOG_WARNING(Service_AM, "(STUBBED) called");
 
     callback();

src/core/frontend/applets/mii_edit.h

@@ -9,14 +9,16 @@ namespace Core::Frontend {
 
 class MiiEditApplet {
 public:
+    using MiiEditCallback = std::function<void()>;
+
     virtual ~MiiEditApplet();
 
-    virtual void ShowMiiEdit(const std::function<void()>& callback) const = 0;
+    virtual void ShowMiiEdit(const MiiEditCallback& callback) const = 0;
 };
 
 class DefaultMiiEditApplet final : public MiiEditApplet {
 public:
-    void ShowMiiEdit(const std::function<void()>& callback) const override;
+    void ShowMiiEdit(const MiiEditCallback& callback) const override;
 };
 
 } // namespace Core::Frontend