Use imfilebrowser instead of Window's file browser

include/views/view_hexeditor.hpp

@@ -7,6 +7,7 @@
 #include "views/view.hpp"
 
 #include "imgui_memory_editor.h"
+#include "imfilebrowser.h"
 
 #include <tuple>
 #include <random>
@@ -30,6 +31,9 @@ namespace hex {
     private:
         MemoryEditor m_memoryEditor;
 
+        ImGui::FileBrowser m_fileBrowser;
+
+
         prv::Provider* &m_dataProvider;
         std::vector<Highlight> &m_highlights;