message: Fix missing NextColumn() call in render_color_picker
diff: @@ -796,7 +796,7 @@ void TraceWin::render_color_picker()
  return;
  ImGui::BeginColumns( "ColorPicker", 2, 0 );
  - ImGui::SetColumnOffset( 1, imgui_scale( 200.0f ) );
  + ImGui::SetColumnWidth( 0, imgui_scale( 200.0f ) );
  /*
  * Column 1: draw our graph items and their colors
  @@ -818,7 +818,6 @@ void TraceWin::render_color_picker()
  m_selected_color = i;
  ImGui::Unindent( imgui_scale( 40.0f ) );
  }
  -
  ImGui::NextColumn();
  /*
  @@ -829,6 +828,7 @@ void TraceWin::render_color_picker()
  {
  col_set( ( colors_t )m_selected_color, color );
  }
  + ImGui::NextColumn();
  ImGui::EndColumns();
  }
  