message: Re-use imageWidth value rather than recalculate
diff: @@ -50,7 +50,7 @@ RobotInspector::RobotInspector() :
  if (mContentArea.width < buttonWidth) { mContentArea.width = buttonWidth; }
  - size({ buttonWidth + robotImage(Robot::Type::Digger).size().x + padding + constants::MARGIN, 0 });
  + size({ buttonWidth + imageWidth + constants::MARGIN, 0 });
  auto buttonPosition = Vector{ imageWidth, mContentArea.y + mContentArea.height + constants::MARGIN };
  