vk/meta: Fix dest format of vkCmdCopyImage
vk/meta: Fix dest format of vkCmdCopyImage

The source image's format was incorrectly used for both the source view
and destination view. For vkCmdCopyImage to correctly translate formats,
the destination view's format must be that of the destination image's.

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler