message: Columns: Made PixelsToOffsetNorm() properly symetrical to OffsetNormToPixels()
diff: @@ -10866,7 +10866,7 @@ static float OffsetNormToPixels(const ImGuiColumnsSet* columns, float offset_nor
  static float PixelsToOffsetNorm(const ImGuiColumnsSet* columns, float offset)
  {
  - return (offset - columns->MinX) / (columns->MaxX - columns->MinX);
  + return offset / (columns->MaxX - columns->MinX);
  }
  static inline float GetColumnsRectHalfWidth() { return 4.0f; }
  @@ -10953,7 +10953,7 @@ void ImGui::SetColumnOffset(int column_index, float offset)
  if (!(columns->Flags & ImGuiColumnsFlags_NoForceWithinWindow))
  offset = ImMin(offset, columns->MaxX - g.Style.ColumnsMinSpacing * (columns->Count - column_index));
  - columns->Columns[column_index].OffsetNorm = PixelsToOffsetNorm(columns, offset);
  + columns->Columns[column_index].OffsetNorm = PixelsToOffsetNorm(columns, offset - columns->MinX);
  if (preserve_width)
  SetColumnOffset(column_index + 1, offset + ImMax(g.Style.ColumnsMinSpacing, width));
  @@ -11017,7 +11017,7 @@ void ImGui::BeginColumns(const char* str_id, int columns_count, ImGuiColumnsFlag
  // Set state for first column
  const float content_region_width = (window->SizeContentsExplicit.x != 0.0f) ? (window->SizeContentsExplicit.x) : (window->Size.x -window->ScrollbarSizes.x);
  columns->MinX = window->DC.IndentX - g.Style.ItemSpacing.x; // Lock our horizontal range
  - //column->ColumnsMaxX = content_region_width - window->Scroll.x -((window->Flags & ImGuiWindowFlags_NoScrollbar) ? 0 : g.Style.ScrollbarSize);// - window->WindowPadding().x;
  + //column->MaxX = content_region_width - window->Scroll.x - ((window->Flags & ImGuiWindowFlags_NoScrollbar) ? 0 : g.Style.ScrollbarSize);// - window->WindowPadding().x;
  columns->MaxX = content_region_width - window->Scroll.x;
  columns->StartPosY = window->DC.CursorPos.y;
  columns->StartMaxPosX = window->DC.CursorMaxPos.x;
  @@ -11045,7 +11045,7 @@ void ImGui::BeginColumns(const char* str_id, int columns_count, ImGuiColumnsFlag
  ImGuiColumnData* column = &columns->Columns[n];
  float t = column->OffsetNorm;
  if (!(columns->Flags & ImGuiColumnsFlags_NoForceWithinWindow))
  - t = ImMin(t, PixelsToOffsetNorm(columns, columns->MaxX - g.Style.ColumnsMinSpacing * (columns->Count - n)));
  + t = ImMin(t, PixelsToOffsetNorm(columns, (columns->MaxX - columns->MinX) - g.Style.ColumnsMinSpacing * (columns->Count - n)));
  column->OffsetNorm = t;
  if (n == columns_count)
  