Refactor color utils (#955)

Co-authored-by: Paulchen Panther <16664240+Paulchen-Panther@users.noreply.github.com>

include/utils/GlobalSignals.h

@@ -20,6 +20,7 @@ public:
         static GlobalSignals instance;
         return & instance;
     }
+
 private:
     GlobalSignals() = default;