only show warning when needed

src/view/screens/Notifications.tsx

@@ -294,14 +294,19 @@ function DisabledNotificationsWarning({active}: {active: boolean}) {
 
   if (!data) return null
 
+  if (!data.reply.list && !data.quote.list && !data.mention.list) {
+    // mention tab notifications are disabled
     return (
       <View style={[a.py_md, a.px_lg, a.border_b, t.atoms.border_contrast_low]}>
         <Admonition type="warning">
           <Trans>
-          You have completely disabled reply, quote, and mention notifications,
+            You have completely disabled reply, quote, and mention
-          so this tab will no longer update.
+            notifications, so this tab will no longer update.
           </Trans>
         </Admonition>
       </View>
     )
   }
+
+  return null
+}