vulkan/swapchain: blacklist SDR 16-bit formats

Seems these are broken on some platforms, so avoid any possible issues by rejecting them up-front, at least for SDR curves. (Here's hoping that a high-bit-depth HDR implementation will do at least roughly the right thing)

Fixes: https://github.com/mpv-player/mpv/issues/11862

src/vulkan/swapchain.c

@@ -192,10 +192,12 @@ static bool pick_surf_format(pl_swapchain sw, const struct pl_color_space *hint)
                 break; // accept
             continue;
 
-        // Accept 16-bit formats for everything
+        // Only accept 16-bit formats for HDR curves
         case VK_FORMAT_R16G16B16_UNORM:
         case VK_FORMAT_R16G16B16A16_UNORM:
-             break; // accept
+            if (pl_color_transfer_is_hdr(space.transfer))
+                break; // accept
+            continue;
 
         default: continue;
         }