reduce button spacing on desktop to be able to reduce breakpoint (#1106)

commafeed-client/src/hooks/useActionButton.ts

@@ -0,0 +1,9 @@
+import { useMantineTheme } from "@mantine/core"
+import { useMobile } from "hooks/useMobile"
+
+export const useActionButton = () => {
+    const theme = useMantineTheme()
+    const mobile = useMobile(theme.breakpoints.xl)
+    const spacing = mobile ? 14 : 0
+    return { mobile, spacing }
+}