fix(hlint): implement hlint suggestion

src/Foundation/SiteLayout.hs

@@ -156,7 +156,7 @@ siteLayout' overrideHeading widget = do
   --             isParent r = r == (fst parents)
 
   isAuth <- isJust <$> maybeAuthId
-  
+
   now <- liftIO getCurrentTime
 
   muid <- maybeAuthPair
@@ -254,7 +254,7 @@ siteLayout' overrideHeading widget = do
             forM_ authTagPivots $
               \authTag -> addMessageWidget Info $ msgModal [whamlet|_{MsgUnauthorizedDisabledTag authTag}|] (Left $ SomeRoute (AuthPredsR, catMaybes [(toPathPiece GetReferer, ) . toPathPiece <$> mcurrentRoute]))
             getMessages
-    
+
       storedReasonAndToggleRoute <- case mcurrentRoute of
         (Just (CourseR tid ssh csh _)) -> (, Just . SomeRoute $ CourseR tid ssh csh CFavouriteR) <$> storedFavouriteReason tid ssh csh muid
         _otherwise -> pure (Nothing, Nothing)
@@ -266,8 +266,8 @@ siteLayout' overrideHeading widget = do
            , nav'
            , contentHeadline
            , mmsgs
-           , maybe userDefaultMaxFavouriteTerms userMaxFavouriteTerms $ view _2 <$> muid
-           , maybe userDefaultTheme userTheme $ view _2 <$> muid
+           , maybe userDefaultMaxFavouriteTerms (userMaxFavouriteTerms . view _2) muid
+           , maybe userDefaultTheme             (userTheme . view _2)             muid
            , storedReasonAndToggleRoute
            )
 
@@ -299,7 +299,7 @@ siteLayout' overrideHeading widget = do
             | otherwise = Set.drop (Set.size ts - n) ts
           currentTerms = toTermKeySet $ filter (views (_2 . _Value) . maybe True $ is _FavouriteCurrent) favourites'
           toTermKeySet = setOf $ folded . _1 . _2 . to unTermKey
-  
+
   favourites <- fmap catMaybes . forM favourites' $ \(c@(_, tid, ssh, csh), E.Value mFavourite, courseVisible, mayView, mayEdit)
       -> let courseRoute = CourseR tid ssh csh CShowR
              favouriteReason = fromMaybe FavouriteCurrent mFavourite
@@ -508,7 +508,7 @@ siteLayout' overrideHeading widget = do
       $(widgetFile "default-layout")
   withUrlRenderer $(hamletFile "templates/default-layout-wrapper.hamlet")
 
-  
+
 getSystemMessageState :: (MonadHandler m, HandlerSite m ~ UniWorX, BearerAuthSite UniWorX) => SystemMessageId -> m UserSystemMessageState
 getSystemMessageState smId = liftHandler $ do
   muid <- maybeAuthId
@@ -594,7 +594,7 @@ applySystemMessages = maybeT_ . catchMPlus (Proxy @CryptoIDError) $ do
 
 
 -- FIXME: Move headings into their respective handlers
-  
+
 -- | Method for specifying page heading for handlers that call defaultLayout
 --
 -- All handlers whose code is under our control should use