message: Fix broken ImGuiColorEditFlags_NoAlpha flag check
  * Fixes warning:
  imgui.cpp:9295:98: warning: enum constant in boolean context [-Wint-in-bool-context]
diff: @@ -9371,7 +9371,7 @@ static void ColorPickerOptionsPopup(ImGuiColorEditFlags flags, float* ref_col)
  g.ColorEditOptions = (g.ColorEditOptions & ~ImGuiColorEditFlags__PickerMask) | (picker_flags & ImGuiColorEditFlags__PickerMask);
  ImGui::SetCursorScreenPos(backup_pos);
  ImVec4 dummy_ref_col;
  - memcpy(&dummy_ref_col.x, ref_col, sizeof(float) * (ImGuiColorEditFlags_NoAlpha ? 3 : 4));
  + memcpy(&dummy_ref_col.x, ref_col, sizeof(float) * (picker_flags & ImGuiColorEditFlags_NoAlpha ? 3 : 4));
  ImGui::ColorPicker4("##dummypicker", &dummy_ref_col.x, picker_flags);
  ImGui::PopID();
  }
  