[GPU] Add calculating max padding of reshape from input padding and current output padding

Author: kelvinchoi-intel

src/plugins/intel_gpu/src/graph/reshape.cpp

@@ -228,7 +228,9 @@ std::vector<layout> reshape_inst::calc_output_layouts(reshape_node const& node,
         output_format = node.get_preferred_output_fmt();
     }
 
-    return { layout {output_shapes[0], input_layout.data_type, format::adjust_to_rank(output_format, output_shapes[0].size()), out_pad} };
+    auto max_out_pad = padding::max(impl_param.get_output_layout(0).data_padding, out_pad);
+
+    return { layout {output_shapes[0], input_layout.data_type, format::adjust_to_rank(output_format, output_shapes[0].size()), max_out_pad} };
 }
 
 template std::vector<layout> reshape_inst::calc_output_layouts<ov::PartialShape>(reshape_node const& node, const kernel_impl_params& impl_param);