Fix #141112: EEVEE: Plane Probe is cut off in camera view if Shift X/Y

The projection matrix Y offset was not inverted properly to compensate
the view matrix Z axis flip.

Pull Request: https://projects.blender.org/blender/blender/pulls/141227

source/blender/draw/engines/eevee/eevee_lightprobe_planar.cc

@@ -19,6 +19,8 @@ void PlanarProbe::set_view(const draw::View &view, int layer_id)
   this->viewmat = from_scale<float4x4>(float3(1, -1, 1)) * view.viewmat() *
                   reflection_matrix_get();
   this->winmat = view.winmat();
+  /* Invert Y offset in the projection matrix to compensate the flip above (see #141112). */
+  this->winmat[2][1] = -this->winmat[2][1];
   this->world_to_object_transposed = float3x4(transpose(world_to_plane));
   this->normal = normalize(plane_to_world.z_axis());