FIX: fail to translate in filamnet group pop up

1. Initilize the sentences in construct function
2. Fix some ui bugs

jira:NONE

Signed-off-by: xun.zhang <xun.zhang@bambulab.com>
Change-Id: I991df343932bb60d5ba86f41f641661f2159da47
(cherry picked from commit 05383187e02cc0dec6a541859d44237a63d01820)

src/slic3r/GUI/FilamentGroupPopup.hpp

@@ -1,9 +1,6 @@
 #ifndef FILAMENT_GROUP_HOVER_HPP
 #define FILAMENT_GROUP_HOVER_HPP
 
-#include <wx/graphics.h>
-#include <wx/hyperlink.h>
-#include "wxExtensions.hpp"
 #include "Widgets/PopupWindow.hpp"
 #include "Widgets/CheckBox.hpp"
 #include "Widgets/Label.hpp"
@@ -23,6 +20,7 @@ public:
     FilamentMapMode GetSelectedMode() const { return m_mode; }
 
 private:
+    void OnPaint(wxPaintEvent&event);
     void StartTimer();
     void ResetTimer();