Merge pull request #9036 from adossas-spdrm/patch-1

Fix `Loading` custom message raises a missing translation key warning

Author: djhi

packages/ra-ui-materialui/src/layout/Loading.tsx

@@ -21,8 +21,10 @@ export const Loading = (props: LoadingProps) => {
                     className={LoadingClasses.icon}
                     color="primary"
                 />
-                <h1>{translate(loadingPrimary)}</h1>
-                <div>{translate(loadingSecondary)}</div>
+                <h1>{translate(loadingPrimary, { _: loadingPrimary })}</h1>
+                <div>
+                    {translate(loadingSecondary, { _: loadingSecondary })}
+                </div>
             </div>
         </Root>
     );