Merge pull request #7681 from smeng9/buttoncolor

Fix button color warning

Author: djhi

packages/ra-ui-materialui/src/button/Button.tsx

@@ -138,7 +138,19 @@ Button.propTypes = {
     alignIcon: PropTypes.oneOf(['left', 'right']),
     children: PropTypes.element,
     className: PropTypes.string,
-    color: PropTypes.oneOf(['default', 'inherit', 'primary', 'secondary']),
+    color: PropTypes.oneOfType([
+        PropTypes.oneOf([
+            'inherit',
+            'default',
+            'primary',
+            'secondary',
+            'error',
+            'info',
+            'success',
+            'warning',
+        ]),
+        PropTypes.string,
+    ]),
     disabled: PropTypes.bool,
     label: PropTypes.string,
     size: PropTypes.oneOf(['small', 'medium', 'large']),