[ET-VK] Minor fix to conv 2d op using wg_size from create_conv2d_global_wg_size to determine local wg size.

Differential Revision: D67676422

Pull Request resolved: #7450

Author: trivedivivek

backends/vulkan/runtime/graph/ops/impl/Convolution.cpp

@@ -370,11 +370,13 @@ void add_conv2d_node(
       weight_data,
       clamp_out);
 
+  utils::uvec3 wg_size = create_conv2d_global_wg_size(graph, method, out);
+
   graph.execute_nodes().emplace_back(new DispatchNode(
       graph,
       shader,
-      create_conv2d_global_wg_size(graph, method, out),
-      graph.create_local_wg_size(out),
+      wg_size,
+      graph.create_local_wg_size(wg_size),
       // Inputs and Outputs
       {{out, vkapi::MemoryAccessType::WRITE},
        {{in, arg_weight, arg_bias}, vkapi::MemoryAccessType::READ}},