refactor: turn Emotes into EmoteController (#6516)

* refactor: turn `Emotes` into `EmoteController`

* changelog

* why does clang-format do this???

* nit: remove unused include from EmoteController.hpp

---------

Co-authored-by: Rasmus Karlsson <rasmus.karlsson@pajlada.com>

tests/src/ModerationAction.cpp

@@ -2,7 +2,7 @@
 
 #include "messages/Image.hpp"
 #include "mocks/BaseApplication.hpp"
-#include "mocks/Emotes.hpp"
+#include "mocks/EmoteController.hpp"
 #include "singletons/Resources.hpp"
 #include "Test.hpp"
 
@@ -19,12 +19,12 @@ class MockApplication : public mock::BaseApplication
 public:
     MockApplication() = default;
 
-    IEmotes *getEmotes() override
+    EmoteController *getEmotes() override
     {
         return &this->emotes;
     }
 
-    mock::Emotes emotes;
+    mock::EmoteController emotes;
 };
 
 class ModerationActionTest : public ::testing::Test