gui: fix load/save model box sizes

app/gui/dialog-file.cpp

@@ -215,7 +215,7 @@ load_file_dialog(std::filesystem::path& out)
 
         if (!path_click) {
             ImVec2 size = ImGui::GetContentRegionMax();
-            size.y /= 1.5f;
+            size.y *= 0.8f;
 
             ImGui::BeginChild("##select_files", size);
 
@@ -323,10 +323,9 @@ save_file_dialog(std::filesystem::path& out)
 
         if (!path_click) {
             ImVec2 size = ImGui::GetContentRegionMax();
-            size.y /= 1.5f;
+            size.y *= 0.8f;
 
             ImGui::BeginChild("##select_files", size);
-
             if (ImGui::Selectable("..##select_file", (fd.selected == ".."))) {
                 if (next.empty()) {
                     next = fd.current.parent_path();

app/gui/node-editor.cpp

@@ -781,6 +781,8 @@ struct editor
         if (show_load_file_dialog) {
             static std::string out;
 
+            auto size = ImGui::GetContentRegionMax();
+            ImGui::SetNextWindowSize(ImVec2(size.x * 0.7f, size.y * 0.7f));
             ImGui::OpenPopup("Select file path to load");
 
             if (load_file_dialog(path)) {
@@ -800,6 +802,8 @@ struct editor
 
             ImGui::OpenPopup("Select file path to save");
 
+            auto size = ImGui::GetContentRegionMax();
+            ImGui::SetNextWindowSize(ImVec2(size.x * 0.7f, size.y * 0.7f));
             if (save_file_dialog(path)) {
                 show_save_file_dialog = false;
                 log_w.log(5, "Save file to %s\n", path.string().c_str());