add: graphic improvements

frontend/src/components/OnOffButton.tsx

@@ -1,5 +1,5 @@
 import { ActionIcon, ActionIconProps } from "@mantine/core"
-import { ImCross } from "react-icons/im"
+import { ImCheckmark, ImCross } from "react-icons/im"
 import { TiTick } from "react-icons/ti"
 import {PolymorphicComponentProps} from "@mantine/utils"
 
@@ -11,6 +11,6 @@ interface IOnOffButtonProps extends Omit<PolymorphicComponentProps<"button",Acti
 
 export const OnOffButton = ({value, ...props}:IOnOffButtonProps) => {
     return <ActionIcon color={props.color?props.color:(value?"green":"red")} {...props}>
-            {value?<TiTick size={20} />:<ImCross size={12} />}
+            {value?<ImCheckmark size={14} />:<ImCross size={12} />}
     </ActionIcon>
 }