message: Set RobotInspector window size only once
  No need to pre-set the size, now that we no longer use the size to
  position controls.
diff: @@ -51,8 +51,6 @@ RobotInspector::RobotInspector() :
  if (mContentArea.width < buttonWidth) { mContentArea.width = buttonWidth; }
  - size({ contentWidth + constants::MARGIN, 0 });
  -
  auto buttonPosition = Vector{ imageWidth, mContentArea.y + mContentArea.height + constants::MARGIN };
  btnCancelOrders.size({ buttonWidth, buttonHeight });
  @@ -66,7 +64,7 @@ RobotInspector::RobotInspector() :
  buttonPosition = { contentWidth - btnCancel.size().x, buttonPosition.y + buttonOffsetY * 2 };
  add(btnCancel, buttonPosition);
  - size({ size().x, buttonPosition.y + buttonHeight + constants::MARGIN });
  + size({ contentWidth + constants::MARGIN, buttonPosition.y + buttonHeight + constants::MARGIN });
  }
  