refactor: use SettingWidget::dropdown for emoji style (#6300)

src/providers/emoji/EmojiStyle.hpp

@@ -0,0 +1,18 @@
+#pragma once
+
+#include <cstdint>
+
+namespace chatterino {
+
+/// The available emoji styles in Chatterino
+///
+/// Each enum value has a "bitset value" defined so it can be used in a FlagsEnum to figure out
+/// which emojis support which emoji style / set
+enum class EmojiStyle : std::uint8_t {
+    Twitter = 1 << 0,
+    Facebook = 1 << 1,
+    Apple = 1 << 2,
+    Google = 1 << 3,
+};
+
+}  // namespace chatterino