refactor: make Application::imageUploader private

src/Application.cpp

@@ -405,6 +405,13 @@ IChatterinoBadges *Application::getChatterinoBadges()
     return this->chatterinoBadges.get();
 }
 
+ImageUploader *Application::getImageUploader()
+{
+    assertInGuiThread();
+
+    return this->imageUploader;
+}
+
 ITwitchIrcServer *Application::getTwitch()
 {
     assertInGuiThread();

src/Application.hpp

@@ -134,9 +134,9 @@ private:
     HotkeyController *const hotkeys{};
     WindowManager *const windows{};
     Toasts *const toasts{};
+    ImageUploader *const imageUploader{};
 
 public:
-    ImageUploader *const imageUploader{};
     SeventvAPI *const seventvAPI{};
     CrashHandler *const crashHandler{};
 
@@ -210,12 +210,7 @@ public:
     ITwitchLiveController *getTwitchLiveController() override;
     TwitchBadges *getTwitchBadges() override;
     IChatterinoBadges *getChatterinoBadges() override;
-    ImageUploader *getImageUploader() override
+    ImageUploader *getImageUploader() override;
-    {
-        assertInGuiThread();
-
-        return this->imageUploader;
-    }
     SeventvAPI *getSeventvAPI() override
     {
         assertInGuiThread();

src/widgets/splits/Split.cpp

@@ -427,7 +427,8 @@ Split::Split(QWidget *parent)
                 }
             }
             QPointer<ResizingTextEdit> edit = this->input_->ui_.textEdit;
-            getApp()->imageUploader->upload(source, this->getChannel(), edit);
+            getIApp()->getImageUploader()->upload(source, this->getChannel(),
+                                                  edit);
         });
 
     getSettings()->imageUploaderEnabled.connect(