Revert ActionButton changes

src/components/ActionButton/ActionButton.tsx

@@ -1,4 +1,4 @@
-import React, { PropsWithChildren } from 'react';
+import React, { FC, PropsWithChildren } from 'react';
 import { cx, css } from '@emotion/css';
 import { stylesFactory, useTheme, Tooltip } from '@grafana/ui';
 import { GrafanaTheme, GrafanaThemeType } from '@grafana/data';
@@ -12,16 +12,14 @@ interface Props {
   onClick(event: React.MouseEvent<HTMLButtonElement>): void;
 }
 
-export const ActionButton = ({ icon, width, tooltip, className, children, onClick }: PropsWithChildren<Props>) => {
+export const ActionButton: FC<PropsWithChildren<Props>> = ({ icon, width, tooltip, className, children, onClick }) => {
   const theme = useTheme();
   const styles = getStyles(theme);
   const buttonClass = cx(
     'btn',
     styles.button,
-    css`
-      width: ${width || 3}rem;
-    `,
-    className
+    css`width: ${width || 3}rem`,
+    className,
   );
 
   let button = (