d3d12: d3d12_video_buffer_create_impl - Fix resource importing
What does this MR do and why?
d3d12: d3d12_video_buffer_create_impl - Fix resource importing
Only align resource dimensions on creation, not when importing existing D3D resource object. Otherwise importing the resource fails since the resource descriptor does not match the aligned dimensions passed in the template.
Fixes: 62fded5e ("d3d12: Allocate d3d12_video_buffer with higher alignment for compatibility")
cc @gdevi