Fix typo in roughness shaders

servers/rendering/renderer_rd/effects/copy_effects.cpp

@@ -1029,7 +1029,7 @@ void CopyEffects::cubemap_roughness(RID p_source_rd_texture, RID p_dest_texture,
 	RD::Uniform u_source_rd_texture(RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE, 0, Vector<RID>({ default_mipmap_sampler, p_source_rd_texture }));
 	RD::Uniform u_dest_texture(RD::UNIFORM_TYPE_IMAGE, 0, Vector<RID>({ p_dest_texture }));
 
-	RID shader = roughness.compute_shader.version_get_shader(filter.shader_version, 0);
+	RID shader = roughness.compute_shader.version_get_shader(roughness.shader_version, 0);
 	ERR_FAIL_COND(shader.is_null());
 
 	RD::ComputeListID compute_list = RD::get_singleton()->compute_list_begin();
@@ -1070,7 +1070,7 @@ void CopyEffects::cubemap_roughness_raster(RID p_source_rd_texture, RID p_dest_f
 
 	RD::Uniform u_source_rd_texture(RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE, 0, Vector<RID>({ default_sampler, p_source_rd_texture }));
 
-	RID shader = roughness.raster_shader.version_get_shader(filter.shader_version, 0);
+	RID shader = roughness.raster_shader.version_get_shader(roughness.shader_version, 0);
 	ERR_FAIL_COND(shader.is_null());
 
 	RD::DrawListID draw_list = RD::get_singleton()->draw_list_begin(p_dest_framebuffer, RD::INITIAL_ACTION_KEEP, RD::FINAL_ACTION_READ, RD::INITIAL_ACTION_KEEP, RD::FINAL_ACTION_DISCARD);