Improve color selection and display (#5057)

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

src/controllers/highlights/UserHighlightModel.cpp

@@ -1,7 +1,6 @@
-#include "UserHighlightModel.hpp"
+#include "controllers/highlights/UserHighlightModel.hpp"
 
 #include "Application.hpp"
-#include "controllers/highlights/HighlightModel.hpp"
 #include "controllers/highlights/HighlightPhrase.hpp"
 #include "providers/colors/ColorProvider.hpp"
 #include "singletons/Settings.hpp"
@@ -10,8 +9,6 @@
 
 namespace chatterino {
 
-using Column = HighlightModel::Column;
-
 // commandmodel
 UserHighlightModel::UserHighlightModel(QObject *parent)
     : SignalVectorModel<HighlightPhrase>(Column::COUNT, parent)

src/controllers/highlights/UserHighlightModel.hpp

@@ -1,6 +1,7 @@
 #pragma once
 
 #include "common/SignalVectorModel.hpp"
+#include "controllers/highlights/HighlightModel.hpp"
 
 #include <QObject>
 
@@ -12,6 +13,8 @@ class HighlightPhrase;
 class UserHighlightModel : public SignalVectorModel<HighlightPhrase>
 {
 public:
+    using Column = HighlightModel::Column;
+
     explicit UserHighlightModel(QObject *parent);
 
 protected: