fit=outside scales the source to cover the requested size, and the side
that comes out past it is held to no maximum: 1x8192?fit=outside of a
3000x600 source makes a 40960x8192 output. The new tests expect such a
size to be refused with ErrOutputTooLarge, answered 400 on both image
routes, for the width and for the height, and a fit=outside output of at
most 8192 on each side to be made as before.
Model: opus-5-5
