remove unsupported row stride and check it is tight packed as expected
#preflight 6241c305a67e4e1ab71ea308
#rb none
#fyi julien.stjean
[CL 19527833 by charles bloom in ue5-main branch]
allows load/save of only 2d DDS images through the generic imagewrappers apis
can be used with screenshot to dds output for example
#preflight 623cd55d9f11d3c7394618e6
#rb fabian.giesen
[CL 19502395 by charles bloom in ue5-main branch]