feat: setting to change emote/badge thumbnail size (#6126)

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

src/widgets/TooltipWidget.hpp

@@ -7,6 +7,7 @@
 #include <QGridLayout>
 #include <QLabel>
 #include <QLayout>
+#include <QString>
 #include <QVBoxLayout>
 #include <QWidget>
 
@@ -20,6 +21,8 @@ struct TooltipEntry {
     QString text;
     int customWidth = 0;
     int customHeight = 0;
+
+    static TooltipEntry scaled(ImagePtr image, QString text, float scale);
 };
 
 enum class TooltipStyle { Vertical, Grid };