zink: respect fragment-shader depth-layout
This is required by GLSL 1.30 and later, so we should also respect the setting.
Fixes: 6785d8c4 ("zink: expose GLSL 1.30")
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This is required by GLSL 1.30 and later, so we should also respect the setting.
Fixes: 6785d8c4 ("zink: expose GLSL 1.30")