Resolve a warning in <Button> related to not using React.forwardRef

Signed-off-by: Oliver Sand <oliver.sand@sda-se.com>

.changeset/hungry-bugs-drop.md

@@ -0,0 +1,5 @@
+---
+'@backstage/core-components': patch
+---
+
+Resolve a warning in `<Button>` related to not using `React.forwardRef`.

packages/core-components/src/components/Button/Button.tsx

@@ -43,7 +43,9 @@ declare function ButtonType(props: ButtonProps): JSX.Element;
 /**
  * This wrapper is here to reset the color of the Link and make typescript happy.
  */
-const LinkWrapper = (props: LinkProps) => <Link {...props} color="initial" />;
+const LinkWrapper = React.forwardRef<any, LinkProps>((props, ref) => (
+  <Link ref={ref} {...props} color="initial" />
+));
 
 const ActualButton = React.forwardRef<any, ButtonProps>((props, ref) => (
   <MaterialButton ref={ref} component={LinkWrapper} {...props} />