message: Begin: Minor refactor following Merging the if (Collapsed) block with the main one.
diff: @@ -4454,20 +4454,9 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
  // Calculate auto-fit size, handle automatic resize
  const ImVec2 size_auto_fit = CalcSizeAutoFit(window);
  ImVec2 size_for_scrollbars_visibility = window->SizeFullAtLastBegin;
  - if (window->Collapsed)
  - {
  - // We still process initial auto-fit on collapsed windows to get a window width,
  - // But otherwise we don't honor ImGuiWindowFlags_AlwaysAutoResize when collapsed.
  - if (window->AutoFitFramesX > 0)
  - window->SizeFull.x = size_for_scrollbars_visibility.x = window->AutoFitOnlyGrows ? ImMax(window->SizeFull.x, size_auto_fit.x) : size_auto_fit.x;
  - if (window->AutoFitFramesY > 0)
  - window->SizeFull.y = size_for_scrollbars_visibility.y = window->AutoFitOnlyGrows ? ImMax(window->SizeFull.y, size_auto_fit.y) : size_auto_fit.y;
  - }
  - else
  + if (flags & ImGuiWindowFlags_AlwaysAutoResize && !window->Collapsed)
  {
  // Using SetNextWindowSize() overrides ImGuiWindowFlags_AlwaysAutoResize, so it can be used on tooltips/popups, etc.
  - if (flags & ImGuiWindowFlags_AlwaysAutoResize)
  - {
  if (!window_size_x_set_by_api)
  window->SizeFull.x = size_for_scrollbars_visibility.x = size_auto_fit.x;
  if (!window_size_y_set_by_api)
  @@ -4476,13 +4465,14 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
  else if (window->AutoFitFramesX > 0 || window->AutoFitFramesY > 0)
  {
  // Auto-fit only grows during the first few frames
  + // We still process initial auto-fit on collapsed windows to get a window width, but otherwise don't honor ImGuiWindowFlags_AlwaysAutoResize ImGuiWindowFlags_AlwaysAutoResize.
  if (!window_size_x_set_by_api && window->AutoFitFramesX > 0)
  window->SizeFull.x = size_for_scrollbars_visibility.x = window->AutoFitOnlyGrows ? ImMax(window->SizeFull.x, size_auto_fit.x) : size_auto_fit.x;
  if (!window_size_y_set_by_api && window->AutoFitFramesY > 0)
  window->SizeFull.y = size_for_scrollbars_visibility.y = window->AutoFitOnlyGrows ? ImMax(window->SizeFull.y, size_auto_fit.y) : size_auto_fit.y;
  + if (!window->Collapsed)
  MarkIniSettingsDirty(window);
  }
  - }
  // Apply minimum/maximum window size constraints and final size
  window->SizeFull = CalcSizeFullWithConstraint(window, window->SizeFull);
  