Hookup footprint reload to redraw icon

Fixes https://gitlab.com/kicad/code/kicad/-/issues/7195

pcbnew/footprint_viewer_frame.cpp

@@ -952,6 +952,13 @@ void FOOTPRINT_VIEWER_FRAME::ReloadFootprint( FOOTPRINT* aFootprint )
 }
 
 
+void FOOTPRINT_VIEWER_FRAME::HardRedraw()
+{
+    ReCreateLibraryList();
+    ReCreateFootprintList();
+    ReloadFootprint( GetBoard()->GetFirstFootprint() );
+}
+
 void FOOTPRINT_VIEWER_FRAME::KiwayMailIn( KIWAY_EXPRESS& mail )
 {
     switch( mail.Command() )

pcbnew/footprint_viewer_frame.h

@@ -85,6 +85,8 @@ public:
 
     void KiwayMailIn( KIWAY_EXPRESS& mail ) override;
 
+    void HardRedraw() override;
+
 protected:
     FOOTPRINT_VIEWER_FRAME( KIWAY* aKiway, wxWindow* aParent );