Connect line label to alert palette settings

- Line label will initialize to settings value
- Changes to the line label will stage settings

scwx-qt/source/scwx/qt/ui/line_label.hpp

@@ -1,5 +1,7 @@
 #pragma once
 
+#include <scwx/qt/settings/line_settings.hpp>
+
 #include <QFrame>
 
 #include <boost/gil/typedefs.hpp>
@@ -36,6 +38,8 @@ public:
    void set_highlight_width(std::size_t width);
    void set_line_width(std::size_t width);
 
+   void set_line_settings(settings::LineSettings& lineSettings);
+
 protected:
    QSize minimumSizeHint() const override;
    QSize sizeHint() const override;