GPU: Fix Vulkan compute uniform descriptor not being marked as set (#13389)

(cherry picked from commit 8bd29f7ca3612af10fc2ca54bce6b5ca01091e97)

src/gpu/vulkan/SDL_gpu_vulkan.c

@@ -8594,7 +8594,7 @@ static void VULKAN_INTERNAL_BindComputeDescriptorSets(
         dynamicOffsetCount,
         dynamicOffsets);
 
-    commandBuffer->needNewVertexUniformOffsets = false;
+    commandBuffer->needNewComputeUniformOffsets = false;
 }
 
 static void VULKAN_DispatchCompute(